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In non-pure OO languages (C++, Java, etc.), some things are, inconsistently, not objects: classes, primitives (characters, punctuation), etc. Inconsistency makes much programming harder to learn and do, slower, and less productive. On this page, languages are arranged in two groups and levels: 1) Top group: types or classes of language. 2) Bottom group: specific languages. <br> <a href="/desc/Computers/Programming/Languages/Object-Oriented/Pure">More information</a></div> </div> <!---------- MAP ----------> </section> <!---------- ALPHABAR ----------> <!---------- CHILD CATEGORIES ----------> <section class="results categories" id="subcategories-section"> <h3 id='cat-list-header-main' class="cat-list-header node-header"> <i class='arrow fa fa-caret-down'></i> <span class="header-text">Subcategories</span> <span class="header-count node-count">17</span> <i class='section-closed fa fa-folder-o'></i> <i class='section-open fa fa-folder-open-o'></i> </h3> <div id="subcategories-div" class="section-wrapper"> <section class="children" id="cat-list-section-main"> <div id='cat-list-content-main' class="cat-list results leaf-nodes"> <div class="cat-item"> <a href="/en/Computers/Programming/Languages/Eiffel"> <div 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