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Free DSA Problem Solving for Interviews using Java
<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width"/><title>Free DSA Problem Solving for Interviews using Java</title><link rel="canonical" href="https://www.scaler.com/topics/course/dsa-interviews-java/"/><meta name="robots" content="max-snippet:-1, max-video-preview:-1, max-image-preview:large"/><meta name="description" content="Scaler Topics free online course is designed to help you prepare for data structure and algorithm (DSA) interview questions using Java. It is suitable for beginners who want to learn DSA problem solving and its applications in job interviews."/><meta name="author" content="Jitender Punia"/><meta name="category"/><meta property="og:type" content="scaler_topics:course"/><meta property="og:title" content="DSA Problem Solving for Interviews using Java"/><meta property="og:description" content="Scaler Topics free online course is designed to help you prepare for data structure and algorithm (DSA) interview questions using Java. It is suitable for beginners who want to learn DSA problem solving and its applications in job interviews."/><meta property="og:url" content="https://www.scaler.com/topics/course/dsa-interviews-java/"/><meta property="og:site_name" content="Scaler Topics"/><meta property="og:image" content="https://www.scaler.com/topics/images/course_card_image_dsainterjava.webp"/><meta property="og:image:width" content="844"/><meta property="og:image:height" content="352"/><meta property="og:image:alt" content="DSA Problem Solving for Interviews using Java"/><meta property="article:published_time" content="2022-10-14T01:15:00.000Z"/><meta name="twitter:site" content="@ScalerTopics"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:title" content="DSA Problem Solving for Interviews using Java"/><meta name="twitter:description" content="Scaler Topics free online course is designed to help you prepare for data structure and algorithm (DSA) interview questions using Java. It is suitable for beginners who want to learn DSA problem solving and its applications in job interviews."/><meta name="twitter:image" content="https://www.scaler.com/topics/images/course_card_image_dsainterjava.webp"/><meta name="twitter:url" content="https://www.scaler.com/topics/course/dsa-interviews-java/"/><meta name="next-head-count" content="24"/><link rel="icon" href="/topics/favicon.ico"/><link rel="preconnect" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics"/><link rel="dns-prefetch" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics"/><link rel="preload" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/media/0ac14a3c407fb3c4-s.p.woff2" as="font" type="font/woff2" crossorigin="anonymous" data-next-font="size-adjust"/><link rel="preload" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/media/fc6fba7ce0876fef-s.p.woff2" as="font" type="font/woff2" crossorigin="anonymous" data-next-font="size-adjust"/><script id="course-schema" type="application/ld+json" data-nscript="beforeInteractive" crossorigin="anonymous">{ "@context": "https://schema.org", "@id": "https://www.scaler.com/topics/course/dsa-interviews-java/", "@type": "Course", "name": "DSA Problem Solving for Interviews using Java", "description": "Free DSA Problem Solving for Interviews using Java", "publisher": { "@type": "Organization", "name": "Scaler", "url": "https://www.scaler.com/topics/course/dsa-interviews-java/" }, "provider": { "@type": "Organization", "name": "Scaler Topics", "sameAs": "https://www.scaler.com/topics/course/dsa-interviews-java/" }, "image": [ "https://www.scaler.com/topics/images/course_featured_image_dsainterjava.webp" ], "totalHistoricalEnrollment": 56358, "educationalLevel": "intermediate", "offers": [{ "@type": "Offer", "category": "Free", "priceCurrency": "INR", "price": 0 }], "about": ["DSA Problem Solving with Java","Prepare for technical interviews with a comprehensive focus on Data Structures and Algorithms.","Master problem-solving and algorithmic thinking using Java programming.","Mock interviews and coding challenges for effective interview preparation."], "teaches": ["Problem solving using JAVA","Ability to use Data structures efficiently","Eliminate excess time of compilation."], "inLanguage": "en", "syllabusSections": [{"@type":"Syllabus","name":"Arrays","timeRequired":"PT1H22M"},{"@type":"Syllabus","name":"Binary Search","timeRequired":"PT31M"},{"@type":"Syllabus","name":"Recursion and Backtracking","timeRequired":"PT1H11M"},{"@type":"Syllabus","name":"Dynamic Programming","timeRequired":"PT2H27M"},{"@type":"Syllabus","name":"Sorting","timeRequired":"PT1H17M"},{"@type":"Syllabus","name":"Stack and Queue","timeRequired":"PT1H8M"},{"@type":"Syllabus","name":"LinkedList","timeRequired":"PT1H2M"},{"@type":"Syllabus","name":"Trees","timeRequired":"PT58M"},{"@type":"Syllabus","name":"HashMap","timeRequired":"PT1H7M"},{"@type":"Syllabus","name":"Heap","timeRequired":"PT52M"},{"@type":"Syllabus","name":"Graphs","timeRequired":"PT1H6M"}], "educationalCredentialAwarded": [{ "@type": "EducationalOccupationalCredential", "name": "Certificate Of Excellence", "url": "https://www.scaler.com/topics/course/dsa-interviews-java/", "credentialCategory": "Certificate" }], "hasCourseInstance": [{ "@type": "CourseInstance", "location": { "@type": "VirtualLocation", "url": "https://www.scaler.com/topics/course/dsa-interviews-java/" }, "instructor": [{ "@type": "Person", "name": "Jitender Punia", "description": "Software Engineer and Instructor at Scaler", "image": "https://www.scaler.com/topics/images/jitender_punia.webp" }], "courseWorkload": "PT13H6M", "courseMode": "Online" }] }</script><script id="faq-schema" type="application/ld+json" data-nscript="beforeInteractive" crossorigin="anonymous">{ "@context": "https://schema.org", "@type": "FAQPage", "mainEntity":[{"@type":"Question","name":"What is covered under this free course?","acceptedAnswer":{"@type":"Answer","text":"The course covers various data structures and algorithms commonly asked in DSA job interviews. It includes topics such as arrays, linked lists, stacks, queues, trees, graphs, searching and sorting algorithms, dynamic programming, greedy algorithms, and more."}},{"@type":"Question","name":"What is DSA problem solving used for?","acceptedAnswer":{"@type":"Answer","text":"DSA problem solving is used to solve complex problems by breaking them down into smaller, manageable parts. It is an essential skill for software developers and is widely used in the tech industry, especially during job interviews."}},{"@type":"Question","name":"What are the career opportunities after learning this free Java DSA Interview Preparation Course for Beginners?","acceptedAnswer":{"@type":"Answer","text":"After completing this course, you will have the necessary skills to excel in DSA job interviews and land a job as a software developer, software engineer, or data analyst."}},{"@type":"Question","name":"What will you create after finishing this DSA Problem Solving certification course online?","acceptedAnswer":{"@type":"Answer","text":"You will learn how to solve various DSA problems using Java and will have the opportunity to work on coding challenges and quizzes to test your knowledge."}},{"@type":"Question","name":"Will I get a certificate after completing this free course?","acceptedAnswer":{"@type":"Answer","text":"Yes, you will receive a free certificate of completion after finishing the course."}},{"@type":"Question","name":"How can I learn Java DSA interview course if I am a beginner?","acceptedAnswer":{"@type":"Answer","text":"This course is designed for beginners and covers the fundamentals of DSA problem solving using Java. It includes practical examples and coding challenges to help you learn and practice."}},{"@type":"Question","name":"What is the cost of this data structure interview questions Java course?","acceptedAnswer":{"@type":"Answer","text":"This course is completely free and comes with a certification upon completion."}},{"@type":"Question","name":"What is the eligibility criteria for this DSA interview course?","acceptedAnswer":{"@type":"Answer","text":"There are no eligibility criteria for this course. Anyone interested in learning DSA problem solving using Java can enroll and start learning."}},{"@type":"Question","name":"How long does it take to complete this free online course?","acceptedAnswer":{"@type":"Answer","text":"The course duration of 13 hourse, but this is a self-paced course, and can be completed at your own pace. On average, it takes about a week to finish the course if you spend 1-2 hours per day."}}] } </script><link rel="preload" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/css/d534126c2b78fa37.css" as="style" crossorigin="anonymous"/><link rel="stylesheet" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/css/d534126c2b78fa37.css" crossorigin="anonymous" data-n-g=""/><link rel="preload" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/css/4c0f02e37a44e2c9.css" as="style" crossorigin="anonymous"/><link rel="stylesheet" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/css/4c0f02e37a44e2c9.css" crossorigin="anonymous" data-n-p=""/><link rel="preload" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/css/165fa169e424a2ec.css" as="style" crossorigin="anonymous"/><link rel="stylesheet" href="https://d1g0iq4cbcvjcd.cloudfront.net/topics/_next/static/css/165fa169e424a2ec.css" crossorigin="anonymous" data-n-p=""/><link 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4.363v-20.797c0-0.184-0.149-0.333-0.333-0.333v0h-14c-0.184 0-0.333 0.149-0.333 0.333v0 20.8l6.979-4.363c0.1-0.065 0.223-0.103 0.354-0.104h0z"></path></svg></div></div></div></div><span class="course-detail_course_instructor_headline__tXMzm flex-ac wrap row">A course by<div class="course-detail_course_gap__TLLX4"><span class="bold course-detail_course_instructor_headline__name__wWL95" role="button" tabindex="0">Jitender Punia</span>,</div><span class="m-r-xxs">Software Engineer and Instructor at Scaler</span><img src="https://www.scaler.com/topics/images/Scaler.webp" width="70" height="20" loading="lazy"/></span><h2 class="course-detail_courseDesc__heading__HEXsp">About this <!-- -->Free DSA Problem Solving for Interviews using Java Course</h2><p class="course-detail_courseDesc__l2Aqa">Scaler Topics free online course is designed to help you prepare for data structure and algorithm (DSA) interview questions using Java. 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version="1.1" xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 32 32"><path d="M25.665 9.26c0.375-0.376 0.984-0.376 1.359-0.001 0.885 0.884 1.588 1.934 2.067 3.090s0.726 2.395 0.726 3.646-0.246 2.49-0.726 3.646c-0.479 1.156-1.181 2.206-2.067 3.090-0.376 0.375-0.984 0.375-1.359-0.001s-0.375-0.984 0.001-1.359c0.706-0.706 1.267-1.544 1.649-2.466s0.579-1.911 0.579-2.91-0.197-1.987-0.579-2.91c-0.383-0.922-0.943-1.76-1.649-2.466-0.376-0.375-0.376-0.984-0.001-1.359z"></path><path d="M18.804 3.709c0.33 0.161 0.539 0.496 0.539 0.863v22.856c0 0.367-0.209 0.702-0.539 0.864s-0.723 0.121-1.012-0.105l-8.31-6.465h-5.376c-0.51 0-0.999-0.202-1.359-0.563s-0.563-0.85-0.563-1.359v-7.609c0-0.51 0.203-0.999 0.563-1.359s0.849-0.563 1.359-0.563h5.384l8.302-6.455c0.29-0.225 0.683-0.266 1.012-0.105zM17.42 6.537l-7.011 5.451c-0.169 0.131-0.376 0.202-0.59 0.202h-5.713v7.609h5.706c0.214 0 0.421 0.071 0.59 0.203l7.019 5.46v-18.925z"></path><path d="M9.809 10.276c0.531 0 0.961 0.43 0.961 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5-5h16c2.761 0 5 2.239 5 5v12c0 2.761-2.239 5-5 5h-16c-2.761 0-5-2.239-5-5v-12z"></path><path d="M12.498 13.552c-0.486-0.101-0.992-0.054-1.451 0.134s-0.853 0.508-1.13 0.92c-0.277 0.412-0.425 0.898-0.425 1.394s0.148 0.982 0.425 1.394c0.277 0.412 0.67 0.733 1.13 0.92s0.965 0.234 1.451 0.134c0.486-0.101 0.932-0.344 1.279-0.698 0.387-0.394 1.020-0.401 1.414-0.014s0.401 1.020 0.014 1.414c-0.626 0.638-1.427 1.076-2.303 1.257s-1.785 0.097-2.612-0.241c-0.828-0.338-1.536-0.915-2.034-1.657s-0.765-1.616-0.765-2.509c0-0.894 0.266-1.767 0.765-2.509s1.207-1.319 2.034-1.657c0.828-0.338 1.737-0.422 2.612-0.241s1.677 0.618 2.303 1.257c0.387 0.394 0.38 1.028-0.014 1.414s-1.028 0.38-1.414-0.014c-0.348-0.355-0.793-0.598-1.279-0.698z"></path><path d="M21.498 13.552c-0.486-0.101-0.992-0.054-1.451 0.134s-0.853 0.508-1.13 0.92-0.425 0.898-0.425 1.394c0 0.497 0.148 0.982 0.425 1.394s0.67 0.733 1.13 0.92c0.46 0.188 0.965 0.234 1.451 0.134s0.932-0.344 1.279-0.698c0.387-0.394 1.020-0.401 1.414-0.014s0.401 1.020 0.014 1.414c-0.626 0.638-1.427 1.076-2.303 1.257s-1.785 0.097-2.612-0.241c-0.827-0.338-1.536-0.915-2.034-1.657s-0.765-1.616-0.765-2.509c0-0.894 0.266-1.767 0.765-2.509s1.207-1.319 2.034-1.657c0.827-0.338 1.737-0.422 2.612-0.241s1.677 0.618 2.303 1.257c0.387 0.394 0.38 1.028-0.014 1.414s-1.027 0.38-1.414-0.014c-0.348-0.355-0.793-0.598-1.279-0.698z"></path></svg><span class="course-detail_feature_text__jMTxm">Subtitles: English</span></div></div><div class="full-width"><div class="course-description_description_box___e5fA"><div class="course-description_highlights__IxVcw"><div class="column course-description_highlight_container__2QPxE"><div class="row flex-ac"><svg fill="currentColor" class="course-description_course_desc_icon__knhkO" version="1.1" xmlns="http://www.w3.org/2000/svg" width="17" height="18" viewBox="0 0 32 32"><path d="M16 5c-6.075 0-11 4.925-11 11s4.925 11 11 11c6.075 0 11-4.925 11-11s-4.925-11-11-11zM3 16c0-7.18 5.82-13 13-13s13 5.82 13 13c0 7.18-5.82 13-13 13s-13-5.82-13-13z"></path><path d="M16 8c0.552 0 1 0.448 1 1v6h6c0.552 0 1 0.448 1 1s-0.448 1-1 1h-7c-0.552 0-1-0.448-1-1v-7c0-0.552 0.448-1 1-1z"></path></svg><span class="course-description_highlights__title__wAETF">Duration</span></div><span class="course-description_highlight_data__0_3mA">13h 6m (11 Modules)</span></div><div class="column course-description_highlight_container__2QPxE"><div class="row flex-ac"><svg fill="currentColor" class="course-description_course_desc_icon__knhkO" version="1.1" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 32 32"><path d="M10.571 19.974c0.581 0.366 0.933 1.005 0.933 1.692v4.333l16-0.006v-2.005c-0.628-0.055-1.243-0.217-1.818-0.481-0.737-0.338-1.39-0.835-1.912-1.455s-0.901-1.348-1.109-2.131-0.24-1.603-0.095-2.401c0.146-0.797 0.466-1.553 0.938-2.212s1.084-1.206 1.792-1.601c0.679-0.379 1.43-0.609 2.203-0.677v-2.021h-4.837c-0.687 0-1.325-0.352-1.692-0.933s-0.409-1.309-0.113-1.929c0.095-0.199 0.145-0.417 0.146-0.637s-0.046-0.439-0.139-0.639c-0.093-0.2-0.228-0.377-0.397-0.519s-0.367-0.245-0.58-0.301c-0.213-0.056-0.436-0.065-0.653-0.026s-0.423 0.126-0.602 0.254c-0.18 0.128-0.329 0.294-0.437 0.486s-0.172 0.406-0.189 0.626l-0.001 0.015c-0.020 0.255 0.027 0.51 0.137 0.741 0.296 0.62 0.253 1.348-0.113 1.928s-1.005 0.933-1.692 0.933h-4.837v4.333c0 0.687-0.352 1.325-0.933 1.692s-1.309 0.409-1.929 0.113c-0.199-0.095-0.417-0.145-0.637-0.146s-0.439 0.046-0.639 0.139c-0.2 0.093-0.377 0.228-0.519 0.397s-0.245 0.367-0.301 0.58c-0.056 0.213-0.065 0.436-0.026 0.653s0.126 0.423 0.254 0.602c0.128 0.18 0.294 0.329 0.486 0.437s0.406 0.172 0.626 0.189l0.015 0.001c0.255 0.020 0.51-0.027 0.741-0.137 0.62-0.296 1.348-0.253 1.928 0.113zM29.503 15.342c-0.549-0.262-1.157-0.374-1.763-0.325-0.079 0.005-0.159 0.014-0.237 0.024-0.431 0.059-0.848 0.199-1.228 0.411-0.45 0.251-0.84 0.599-1.14 1.019s-0.504 0.9-0.597 1.408-0.072 1.029 0.060 1.528c0.132 0.499 0.373 0.962 0.706 1.356s0.748 0.711 1.217 0.926c0.313 0.144 0.645 0.24 0.984 0.287 0.169 0.023 0.34 0.034 0.511 0.032 0.516-0.005 1.024-0.124 1.489-0.349v5.333c0 0.265-0.105 0.52-0.293 0.707s-0.442 0.293-0.707 0.293l-18 0.007c-0.265 0-0.52-0.105-0.707-0.293s-0.293-0.442-0.293-0.707v-5.333c-0.549 0.262-1.157 0.374-1.763 0.325-0.080-0.006-0.159-0.014-0.237-0.026-0.429-0.061-0.844-0.201-1.223-0.414-0.449-0.252-0.836-0.6-1.135-1.019s-0.501-0.899-0.594-1.405c-0.092-0.506-0.072-1.026 0.060-1.524s0.372-0.959 0.703-1.354c0.331-0.394 0.744-0.71 1.211-0.926 0.311-0.144 0.64-0.241 0.977-0.288 0.17-0.024 0.341-0.036 0.514-0.035 0.515 0.003 1.022 0.12 1.486 0.341v-5.333c0-0.265 0.105-0.52 0.293-0.707s0.442-0.293 0.707-0.293h5.837c-0.262-0.549-0.374-1.157-0.325-1.763 0.006-0.080 0.014-0.159 0.026-0.237 0.061-0.429 0.201-0.844 0.414-1.223 0.252-0.449 0.6-0.836 1.019-1.135s0.899-0.501 1.405-0.594c0.506-0.092 1.026-0.072 1.524 0.060s0.959 0.372 1.354 0.703c0.394 0.331 0.71 0.744 0.926 1.211 0.144 0.311 0.241 0.64 0.289 0.977 0.024 0.17 0.036 0.341 0.035 0.514-0.003 0.515-0.12 1.022-0.341 1.486h5.837c0.265 0 0.519 0.105 0.707 0.293s0.293 0.442 0.293 0.707v5.333z"></path></svg><span class="course-description_highlights__title__wAETF">Challenges</span></div><span class="course-description_highlight_data__0_3mA">11 Challenges</span></div><div class="column course-description_highlight_container__2QPxE"><div class="row flex-ac"><svg fill="currentColor" class="course-description_course_desc_icon__knhkO" version="1.1" xmlns="http://www.w3.org/2000/svg" width="17" height="18" viewBox="0 0 36 28"><path d="M20.56 9.4c-1.461-0.6-3.027-0.906-4.606-0.9l-0 0c-6.611 0.023-11.953 5.487-11.953 12.137v2.862h24v-3c0-1.58-0.312-3.144-0.918-4.603s-1.494-2.784-2.613-3.899-2.448-1.998-3.909-2.598zM15.947 6.5c1.843-0.007 3.669 0.35 5.374 1.050s3.255 1.731 4.56 3.031c1.306 1.301 2.342 2.846 3.049 4.549s1.071 3.527 1.071 5.37v3c0 0.531-0.211 1.039-0.586 1.414s-0.884 0.586-1.414 0.586h-24c-0.53 0-1.039-0.211-1.414-0.586s-0.586-0.884-0.586-1.414v-2.862c0-7.725 6.207-14.11 13.946-14.137z"></path><path d="M16 6.5c0.552 0 1 0.448 1 1v4c0 0.552-0.448 1-1 1s-1-0.448-1-1v-4c0-0.552 0.448-1 1-1z"></path><path d="M2.472 16.882c0.143-0.534 0.691-0.85 1.225-0.707l3.875 1.038c0.534 0.143 0.85 0.691 0.707 1.225s-0.691 0.85-1.225 0.707l-3.875-1.038c-0.534-0.143-0.85-0.691-0.707-1.225z"></path><path d="M29.529 16.882c0.143 0.534-0.174 1.082-0.707 1.225l-3.875 1.038c-0.534 0.143-1.082-0.174-1.225-0.707s0.174-1.082 0.707-1.225l3.875-1.038c0.533-0.143 1.082 0.174 1.225 0.707z"></path><path d="M22.081 12.566c0.438 0.336 0.521 0.964 0.184 1.402l-8.55 11.137c-0.336 0.438-0.964 0.521-1.402 0.184s-0.521-0.964-0.184-1.402l8.55-11.138c0.336-0.438 0.964-0.521 1.402-0.184z"></path></svg><span class="course-description_highlights__title__wAETF">Course Level</span></div><span class="course-description_highlight_data__0_3mA">Intermediate</span></div><div class="column course-description_highlight_container__2QPxE"><div class="row flex-ac"><svg fill="currentColor" class="course-description_course_desc_icon__knhkO" version="1.1" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 34 32"><path d="M17 5.011c-4.327 0-7.723 3.274-7.723 7.178s3.396 7.178 7.723 7.178c4.327 0 7.724-3.274 7.724-7.178s-3.396-7.178-7.724-7.178zM7.276 12.189c0-5.129 4.415-9.178 9.723-9.178s9.724 4.049 9.724 9.178-4.415 9.178-9.724 9.178c-5.308 0-9.723-4.050-9.723-9.178z"></path><path d="M17 8.276c-2.158 0-3.907 1.749-3.907 3.907s1.749 3.907 3.907 3.907c2.158 0 3.907-1.749 3.907-3.907s-1.749-3.907-3.907-3.907zM11.093 12.183c0-3.262 2.645-5.907 5.907-5.907s5.907 2.645 5.907 5.907c0 3.262-2.645 5.907-5.907 5.907s-5.907-2.645-5.907-5.907z"></path><path d="M12.093 18.276c0.552 0 1 0.448 1 1v7.006l3.418-1.917c0.304-0.17 0.675-0.17 0.978 0l3.418 1.917v-7.006c0-0.552 0.448-1 1-1s1 0.448 1 1v8.713c0 0.355-0.188 0.684-0.495 0.863s-0.685 0.183-0.995 0.009l-4.418-2.478-4.418 2.478c-0.31 0.174-0.688 0.17-0.995-0.009s-0.495-0.508-0.495-0.863v-8.713c0-0.552 0.448-1 1-1z"></path></svg><span class="course-description_highlights__title__wAETF">Certificate</span></div><span class="course-description_highlight_data__0_3mA">Included</span></div></div><div class="course-description_learn_section___4by8"><div class="row flex-ac"><span class="m-r-xs"><svg fill="currentColor" stroke="" class="course-description_course_icon__IYbkT" version="1.1" xmlns="http://www.w3.org/2000/svg" width="56" height="56" viewBox="0 0 32 32"><path d="M26.259 23.289h-20.518c-1.193 0-2.16-0.967-2.16-2.16v0-14.588c0-1.193 0.967-2.16 2.16-2.16v0h20.518c1.193 0 2.16 0.967 2.16 2.16v0 14.588c0 1.193-0.967 2.16-2.16 2.16v0zM5.741 5.501c-0.574 0-1.040 0.466-1.040 1.040v0 14.588c0 0.574 0.466 1.040 1.040 1.040v0h20.518c0.574 0 1.040-0.466 1.040-1.040v0-14.588c0-0.574-0.466-1.040-1.040-1.040v0z"></path><path d="M19.764 27.619h-7.53c-0.309 0-0.56-0.251-0.56-0.56v0c0-0.309 0.251-0.56 0.56-0.56h7.53c0.309 0 0.56 0.251 0.56 0.56v0c0 0.309-0.251 0.56-0.56 0.56v0z"></path><path d="M14.023 9.322c0.116 0 0.223 0.035 0.312 0.096l-0.002-0.001 5.93 3.953c0.151 0.102 0.249 0.272 0.249 0.466s-0.098 0.364-0.247 0.465l-0.002 0.001-5.93 3.953c-0.087 0.059-0.195 0.094-0.31 0.094-0.309 0-0.56-0.25-0.56-0.559v-7.906c0-0.309 0.251-0.56 0.56-0.56v0zM18.943 13.835l-4.36-2.906v5.813z"></path></svg></span><div><h3 class="course-description_headline__one__vARVP">What you鈥檒l learn</h3><div class="course-description_headline__two__X_Epr">The skills that you would learn after taking up this<!-- --> <!-- -->DSA Problem Solving for Interviews using Java<!-- --> online course are:</div></div></div><div class="markdown-body course-description_markdownClassName__HFeuP"><ul> <li>Problem solving using JAVA</li> <li>Ability to use Data structures efficiently</li> <li>Eliminate excess time of compilation</li> </ul></div></div></div></div><div class="row full-width course-detail_course_head_wrapper__RNSMH"><h3 class="course-detail_course_heading__xgfYY">Course Content</h3><div class="row flex-ac hide-in-mobile course-detail_course_head_wrapper__expand__EWW9j"><a class="Tappable-module_root__N7ll5 course-detail_course_head_wrapper__btn__KUulJ"><svg fill="currentColor" class="course-detail_course_head_wrapper__icon__RwRec m-r-xxs" version="1.1" xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 32 32"><title>ide-expand</title><path d="M20.2 6c0-0.442 0.358-0.8 0.8-0.8h5c0.442 0 0.8 0.358 0.8 0.8v5c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-4.2h-4.2c-0.442 0-0.8-0.358-0.8-0.8z"></path><path d="M26.566 5.434c0.312 0.312 0.312 0.819 0 1.131l-7 7c-0.312 0.312-0.819 0.312-1.131 0s-0.312-0.819 0-1.131l7-7c0.312-0.312 0.819-0.312 1.131 0z"></path><path d="M6 20.2c0.442 0 0.8 0.358 0.8 0.8v4.2h4.2c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-5c-0.442 0-0.8-0.358-0.8-0.8v-5c0-0.442 0.358-0.8 0.8-0.8z"></path><path d="M13.566 18.434c0.312 0.312 0.312 0.819 0 1.131l-7 7c-0.312 0.312-0.819 0.312-1.131 0s-0.312-0.819 0-1.131l7-7c0.312-0.312 0.819-0.312 1.131 0z"></path><path d="M26 20.2c0.442 0 0.8 0.358 0.8 0.8v5c0 0.442-0.358 0.8-0.8 0.8h-5c-0.442 0-0.8-0.358-0.8-0.8s0.358-0.8 0.8-0.8h4.2v-4.2c0-0.442 0.358-0.8 0.8-0.8z"></path><path d="M18.434 18.434c0.312-0.312 0.819-0.312 1.131 0l7 7c0.312 0.312 0.312 0.819 0 1.131s-0.819 0.312-1.131 0l-7-7c-0.312-0.312-0.312-0.819 0-1.131z"></path><path d="M5.2 6c0-0.442 0.358-0.8 0.8-0.8h5c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-4.2v4.2c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-5z"></path><path d="M5.434 5.434c0.312-0.312 0.819-0.312 1.131 0l7 7c0.312 0.312 0.312 0.819 0 1.131s-0.819 0.312-1.131 0l-7-7c-0.312-0.312-0.312-0.819 0-1.131z"></path></svg>Expand all section</a></div></div><div class="m-b-m course-detail_details__z06Ls"><span>11<!-- --> Modules</span><span> | <!-- -->80<!-- --> Lessons</span><span> | <!-- -->13h 6m</span></div><div class="row flex-ac show-in-mobile m-b-m course-detail_course_head_wrapper__expand__EWW9j"><a class="Tappable-module_root__N7ll5 course-detail_course_head_wrapper__btn__KUulJ"><svg fill="currentColor" class="course-detail_course_head_wrapper__icon__RwRec m-r-xxs" version="1.1" xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 32 32"><title>ide-expand</title><path d="M20.2 6c0-0.442 0.358-0.8 0.8-0.8h5c0.442 0 0.8 0.358 0.8 0.8v5c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-4.2h-4.2c-0.442 0-0.8-0.358-0.8-0.8z"></path><path d="M26.566 5.434c0.312 0.312 0.312 0.819 0 1.131l-7 7c-0.312 0.312-0.819 0.312-1.131 0s-0.312-0.819 0-1.131l7-7c0.312-0.312 0.819-0.312 1.131 0z"></path><path d="M6 20.2c0.442 0 0.8 0.358 0.8 0.8v4.2h4.2c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-5c-0.442 0-0.8-0.358-0.8-0.8v-5c0-0.442 0.358-0.8 0.8-0.8z"></path><path d="M13.566 18.434c0.312 0.312 0.312 0.819 0 1.131l-7 7c-0.312 0.312-0.819 0.312-1.131 0s-0.312-0.819 0-1.131l7-7c0.312-0.312 0.819-0.312 1.131 0z"></path><path d="M26 20.2c0.442 0 0.8 0.358 0.8 0.8v5c0 0.442-0.358 0.8-0.8 0.8h-5c-0.442 0-0.8-0.358-0.8-0.8s0.358-0.8 0.8-0.8h4.2v-4.2c0-0.442 0.358-0.8 0.8-0.8z"></path><path d="M18.434 18.434c0.312-0.312 0.819-0.312 1.131 0l7 7c0.312 0.312 0.312 0.819 0 1.131s-0.819 0.312-1.131 0l-7-7c-0.312-0.312-0.312-0.819 0-1.131z"></path><path d="M5.2 6c0-0.442 0.358-0.8 0.8-0.8h5c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-4.2v4.2c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-5z"></path><path d="M5.434 5.434c0.312-0.312 0.819-0.312 1.131 0l7 7c0.312 0.312 0.312 0.819 0 1.131s-0.819 0.312-1.131 0l-7-7c-0.312-0.312-0.312-0.819 0-1.131z"></path></svg>Expand all section</a></div><div class="sr_container column flex-c flex-ac course-certificate_course_certificate__vf0AK"><div class="course-certificate_course_certificate__wrapper__gV6E3 row"><div class="course-certificate_course_certificate__left__oWxOw relative column m-r-s"><img src="https://d1g0iq4cbcvjcd.cloudfront.net/topics/images/courses/sample_course_certificate.png" alt="certificate" 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src="https://www.scaler.com/topics/images/jitender_punia.webp" alt="Jitender Punia" width="192" height="192" class="instructor_instructor_data__image__TO8W0" loading="lazy"/><div class="show-in-tablet m-l-xs"><div class="row flex-ac instructor_author__pwhOJ">Jitender Punia</div><div class="row flex-ac instructor_headline__RtwVf">Software Engineer and Instructor at Scaler</div></div></div><div class="instructor_instructor_data__texts__pn9mk"><div class="hide-in-tablet"><div class="row flex-ac instructor_author__pwhOJ">Jitender Punia</div><div class="row flex-ac instructor_headline__RtwVf">Software Engineer and Instructor at Scaler</div></div><div class="instructor_horizontal_rule__DVmhW"></div><div class="instructor_subdata_container__eeX8O"><div class="row flex-ac instructor_subdata__CcMPQ"><svg fill="currentColor" class="instructor_icon__mCHNE" version="1.1" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 32 32"><path d="M11.199 7.957c-3.086 0-5.588 2.502-5.588 5.588s2.502 5.588 5.588 5.588c3.086 0 5.588-2.502 5.588-5.588s-2.502-5.588-5.588-5.588zM3.611 13.545c0-4.191 3.397-7.588 7.588-7.588s7.588 3.397 7.588 7.588c0 4.191-3.397 7.588-7.588 7.588s-7.588-3.397-7.588-7.588z"></path><path d="M21.090 6.369h0.003c1.989 0 3.897 0.79 5.303 2.197s2.197 3.314 2.197 5.303-0.79 3.897-2.197 5.303c-1.406 1.407-3.314 2.197-5.303 2.197-0.552 0-1-0.448-1-1s0.448-1 1-1c1.459 0 2.858-0.579 3.889-1.611s1.611-2.43 1.611-3.889c0-1.459-0.58-2.858-1.611-3.889s-2.429-1.611-3.888-1.611c-0.507 0.002-1.013 0.070-1.502 0.203-0.533 0.145-1.082-0.17-1.227-0.703s0.17-1.082 0.703-1.227c0.659-0.179 1.339-0.27 2.021-0.272z"></path><path d="M10.906 21.364c-1.605 0-3.186 0.386-4.61 1.126s-2.649 1.811-3.572 3.124c-0.318 0.452-0.941 0.561-1.393 0.243s-0.561-0.941-0.243-1.393c1.107-1.576 2.577-2.862 4.286-3.749s3.606-1.351 5.532-1.351 3.823 0.463 5.532 1.351c1.709 0.888 3.179 2.174 4.286 3.749 0.318 0.452 0.209 1.076-0.243 1.393s-1.076 0.209-1.393-0.243c-0.923-1.313-2.148-2.385-3.572-3.124s-3.005-1.126-4.61-1.126z"></path><path d="M25.704 22.493c-1.424-0.74-3.005-1.125-4.61-1.124-0.552 0-1-0.447-1.001-0.999s0.447-1 0.999-1.001c1.926-0.001 3.824 0.462 5.533 1.349s3.179 2.174 4.286 3.751c0.317 0.452 0.208 1.076-0.244 1.393s-1.076 0.208-1.393-0.244c-0.922-1.313-2.147-2.385-3.571-3.125z"></path></svg><span class="instructor_text__y_QTQ">1000+<!-- --> Students on Scaler Platform</span></div><div class="row flex-ac instructor_subdata__CcMPQ"><svg fill="currentColor" class="instructor_icon__mCHNE" version="1.1" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 32 32"><path d="M16 5c-6.075 0-11 4.925-11 11s4.925 11 11 11c6.075 0 11-4.925 11-11s-4.925-11-11-11zM3 16c0-7.18 5.82-13 13-13s13 5.82 13 13c0 7.18-5.82 13-13 13s-13-5.82-13-13z"></path><path d="M16 8c0.552 0 1 0.448 1 1v6h6c0.552 0 1 0.448 1 1s-0.448 1-1 1h-7c-0.552 0-1-0.448-1-1v-7c0-0.552 0.448-1 1-1z"></path></svg><span class="instructor_text__y_QTQ">150+<!-- --> <!-- --> <!-- --> Hours of Lectures Delivered</span></div><div class="row flex-ac instructor_subdata__CcMPQ"><svg fill="currentColor" class="instructor_icon__mCHNE" version="1.1" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 32 32"><path d="M14.83 2.868c0.342-0.239 0.75-0.368 1.168-0.368s0.826 0.128 1.168 0.368c0.338 0.236 0.596 0.569 0.741 0.955l2.759 6.936c0.003 0.007 0.007 0.013 0.013 0.017s0.013 0.007 0.020 0.007l7.402 0.476c0.411 0.036 0.802 0.194 1.124 0.452s0.559 0.607 0.683 1 0.127 0.815 0.011 1.211c-0.116 0.396-0.347 0.748-0.664 1.013l-5.655 4.714c-0.013 0.011-0.022 0.025-0.028 0.040s-0.006 0.032-0.002 0.047c0 0-0-0 0 0l1.821 7.163c0.107 0.395 0.094 0.812-0.037 1.2-0.133 0.391-0.38 0.734-0.71 0.983s-0.727 0.393-1.14 0.413c-0.413 0.020-0.822-0.084-1.175-0.3l-0.015-0.009-6.307-4.005c-0.004-0.003-0.009-0.004-0.014-0.004s-0.009 0.001-0.013 0.004c-0 0 0-0 0 0l-5.876 3.721c-0.389 0.235-0.839 0.347-1.292 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0.003 0.102-0.009 0.146-0.034l5.854-3.707c0.327-0.205 0.705-0.312 1.090-0.309 0.384 0.003 0.759 0.114 1.081 0.322l6.285 3.991c0.010 0.005 0.020 0.008 0.031 0.007 0.012-0.001 0.024-0.005 0.033-0.012s0.017-0.017 0.021-0.029c0.004-0.011 0.004-0.024 0.001-0.035l-0.006-0.021-1.825-7.181c-0.095-0.382-0.080-0.782 0.043-1.156s0.348-0.703 0.65-0.954c0.001-0 0.001-0.001 0.002-0.001l5.649-4.71c0.013-0.011 0.022-0.025 0.027-0.041s0.005-0.033-0-0.049-0.015-0.030-0.028-0.040c-0.012-0.009-0.026-0.015-0.040-0.018l-7.351-0.473c-0.001-0-0.002-0-0.003-0-0.394-0.024-0.773-0.162-1.090-0.397-0.314-0.233-0.555-0.551-0.693-0.917l-2.76-6.941c-0.003-0.007-0.008-0.014-0.014-0.018s-0.014-0.007-0.022-0.007z"></path></svg><span class="instructor_text__y_QTQ">4.9 Star Instructor on Scaler</span></div><div class="row flex-ac instructor_subdata__CcMPQ"><svg fill="currentColor" stroke="" class="instructor_icon__mCHNE instructor_course_icon__M5UMm" version="1.1" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 32 32"><path d="M26.259 23.289h-20.518c-1.193 0-2.16-0.967-2.16-2.16v0-14.588c0-1.193 0.967-2.16 2.16-2.16v0h20.518c1.193 0 2.16 0.967 2.16 2.16v0 14.588c0 1.193-0.967 2.16-2.16 2.16v0zM5.741 5.501c-0.574 0-1.040 0.466-1.040 1.040v0 14.588c0 0.574 0.466 1.040 1.040 1.040v0h20.518c0.574 0 1.040-0.466 1.040-1.040v0-14.588c0-0.574-0.466-1.040-1.040-1.040v0z"></path><path d="M19.764 27.619h-7.53c-0.309 0-0.56-0.251-0.56-0.56v0c0-0.309 0.251-0.56 0.56-0.56h7.53c0.309 0 0.56 0.251 0.56 0.56v0c0 0.309-0.251 0.56-0.56 0.56v0z"></path><path d="M14.023 9.322c0.116 0 0.223 0.035 0.312 0.096l-0.002-0.001 5.93 3.953c0.151 0.102 0.249 0.272 0.249 0.466s-0.098 0.364-0.247 0.465l-0.002 0.001-5.93 3.953c-0.087 0.059-0.195 0.094-0.31 0.094-0.309 0-0.56-0.25-0.56-0.559v-7.906c0-0.309 0.251-0.56 0.56-0.56v0zM18.943 13.835l-4.36-2.906v5.813z"></path></svg><span class="instructor_text__y_QTQ">1<!-- --> <!-- --> <!-- -->Course</span></div></div></div></div><div class="instructor_course_md_body__eEE_J instructor_height_limiter__SxsLM"><div class="markdown-body instructor_instructor_md__wI05l"></div></div></div><div class="course-detail_course_md_body__kPKGd course-detail_height_limiter__BH4FE"><div class="markdown-body"><h3 id="pre-requisites-for-free-data-structure-interview-questions-java-certification-course" level="3">Pre-requisites for free data structure interview questions java certification course</h3> <ul> <li>Basic knowledge of programming concepts in Java</li> <li>Familiarity with data structures like arrays, linked lists, stacks, and queues</li> <li>Understanding of algorithm design techniques like divide and conquer, dynamic programming, and greedy algorithms</li> </ul> <h3 id="who-should-learn-this-free-dsa-problem-solving-for-interviews-using-java-course-" level="3">Who should learn this free DSA Problem Solving for Interviews using Java course?</h3> <p>This course is designed for beginners who want to prepare for DSA interview questions using Java. 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Ltd. All Rights Reserved.</div></div><div class="row flex-ac m-t-xxs Footer_links__29v39"><a href="https://www.scaler.com/privacy/?utm_source=topics&utm_medium=footer">Privacy Policy</a><div class="Footer_link_separator__rUm4Q"></div><a href="https://www.scaler.com/terms/?utm_source=topics&utm_medium=footer">Terms of Use</a><div class="Footer_link_separator__rUm4Q"></div><a href="https://www.scaler.com/contact/?utm_source=topics&utm_medium=footer">Contact Us</a></div></div></div></footer></main></div></div><script id="__NEXT_DATA__" type="application/json" crossorigin="anonymous">{"props":{"pageProps":{"fallback":{"/course/dsa-interviews-java":[{"title":"DSA Problem Solving for Interviews using Java","slug":"dsa-interviews-java","description":"Scaler Topics free online course is designed to help you prepare for data structure and algorithm (DSA) interview questions using Java. It is suitable for beginners who want to learn DSA problem solving and its applications in job interviews.","published_at":"2022-10-14T01:15:00.000Z","cover_image_alt":"DSA interviews using Java","created_at":"2022-10-13T12:48:06.703Z","updated_at":"2024-01-10T17:22:13.275Z","cover_image_thumbnail":"https://www.scaler.com/topics/images/course_card_image_dsainterjava.webp","cover_video_slug":"1612","eligible_for_certificate":true,"app_exclusive":false,"audio_language":"English","featured_image":"https://www.scaler.com/topics/images/course_featured_image_dsainterjava.webp","app_home_image":"https://www.scaler.com/topics/images/dsa-problem-solving-for-interviews-using-java.png","modules_count":11,"videos_count":69,"challenges_count":11,"course_faq_count":0,"total_entities_count":80,"first_entity":{"type":"Video","uuid":1614},"category_type":"topics_course","category_meta":null,"secondary_content":"* Problem solving using JAVA\n* Ability to use Data structures efficiently\n* Eliminate excess time of compilation","faq_content":"### What is covered under this free course?\nThe course covers various data structures and algorithms commonly asked in DSA job interviews. It includes topics such as arrays, linked lists, stacks, queues, trees, graphs, searching and sorting algorithms, dynamic programming, greedy algorithms, and more.\n\n### What is DSA problem solving used for?\nDSA problem solving is used to solve complex problems by breaking them down into smaller, manageable parts. It is an essential skill for software developers and is widely used in the tech industry, especially during job interviews.\n\n### What are the career opportunities after learning this free Java DSA Interview Preparation Course for Beginners?\nAfter completing this course, you will have the necessary skills to excel in DSA job interviews and land a job as a software developer, software engineer, or data analyst.\n\n### What will you create after finishing this DSA Problem Solving certification course online?\nYou will learn how to solve various DSA problems using Java and will have the opportunity to work on coding challenges and quizzes to test your knowledge.\n\n### Will I get a certificate after completing this free course?\nYes, you will receive a free certificate of completion after finishing the course.\n\n### How can I learn Java DSA interview course if I am a beginner?\nThis course is designed for beginners and covers the fundamentals of DSA problem solving using Java. It includes practical examples and coding challenges to help you learn and practice.\n\n### What is the cost of this data structure interview questions Java course?\nThis course is completely free and comes with a certification upon completion.\n\n### What is the eligibility criteria for this DSA interview course?\nThere are no eligibility criteria for this course. Anyone interested in learning DSA problem solving using Java can enroll and start learning.\n\n### How long does it take to complete this free online course?\nThe course duration of 13 hourse, but this is a self-paced course, and can be completed at your own pace. 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