<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="author" content="Brandon Rozek"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="robots" content="noindex" /> <title>Brandon Rozek</title> <link rel="stylesheet" href="themes/bitsandpieces/styles/main.css" type="text/css" /> <link rel="stylesheet" href="themes/bitsandpieces/styles/highlightjs-github.css" type="text/css" /> </head> <body> <aside class="main-nav"> <nav> <ul> <li class="menuitem "> <a href="index.html%3Findex.html" data-shortcut=""> Home </a> </li> <li class="menuitem "> <a href="index.html%3Fcourses.html" data-shortcut=""> Courses </a> </li> <li class="menuitem "> <a href="index.html%3Flabaide.html" data-shortcut=""> Lab Aide </a> </li> <li class="menuitem "> <a href="index.html%3Fpresentations.html" data-shortcut=""> Presentations </a> </li> <li class="menuitem "> <a href="index.html%3Fresearch.html" data-shortcut=""> Research </a> </li> <li class="menuitem "> <a href="index.html%3Ftranscript.html" data-shortcut=""> Transcript </a> </li> </ul> </nav> </aside> <main class="main-content"> <article class="article"> <h1>Exam Review Partial Answer Sheet</h1> <p>Write a Java method to sum values of an array</p> <pre><code class="language-java">// Assume variable numbers is an array of 10 integers int sum = 0; for (int i = 0; i < numbers.length; i++) { sum += numbers[i]; }</code></pre> <p>Write a Java method to test if an array contains a specific value</p> <pre><code class="language-java">// Assume variable numbers is an array of 10 integers int numWanted = 4; boolean found = false; for (int i = 0; i < numbers.length; i++) { if (numbers[i] == numWanted) { System.out.println("The number " + numWanted + " was found!"); found = true; } } if (!found) { System.out.println("The number " + numWanted + " was not found!"); }</code></pre> <p>Write a Java method to find the index of an array element</p> <pre><code class="language-java">// Assume variable numbers is an array of 10 integers int numWanted = 4; boolean found = false; for (int i = 0; i < numbers.length; i++) { if (numbers[i] == numWanted) { System.out.println("The index of number " + numWanted + " is " + i); } }</code></pre> <p>How many lines will the following loop print when it is run?</p> <pre><code class="language-java">int i = 0; while (i <= 6) { System.out.println("i is now " + (i)); i++; }</code></pre> <pre><code>i is now 0 i is now 1 i is now 2 i is now 3 i is now 4 i is now 5 i is now 6</code></pre> </article> </main> <script src="themes/bitsandpieces/scripts/highlight.js"></script> <script src="themes/bitsandpieces/scripts/mousetrap.min.js"></script> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ tex2jax: { inlineMath: [ ['$','$'], ["\\(","\\)"] ], processEscapes: true } }); </script> <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"> </script> <script> hljs.initHighlightingOnLoad(); document.querySelectorAll('.menuitem a').forEach(function(el) { if (el.getAttribute('data-shortcut').length > 0) { Mousetrap.bind(el.getAttribute('data-shortcut'), function() { location.assign(el.getAttribute('href')); }); } }); </script> </body> </html>