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107 lines
3.3 KiB
HTML
107 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<article class="article">
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<h1>Lecture Notes October 9th</h1>
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<h2>Arrays (Cont.)</h2>
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<h3>Another way of Array Initialization</h3>
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<pre><code class="language-java">String[] names = {"Jennifer", "Noodle", "Fluffy", "Rosie", "Cinnamon", "Brianne", "Oliver"}</code></pre>
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<p>Everything between the <code>{}</code> is the initial values in the names array in the order that it is written.</p>
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<p>Recall that arrays are of a fixed size. The <code>names</code> array above has 7 elements.</p>
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<h3>What can I do if I want to add something to the names array?</h3>
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<p>Do the following steps:</p>
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<ol>
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<li>Create an empty array with the same size as the array</li>
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<li>Take all the contents in the array and store it in a temporary array</li>
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<li>Set names equal to another array of a bigger size</li>
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<li>Take all the contents in temp and store it back to the array of choice</li>
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<li>Add an element to the array by index</li>
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</ol>
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<pre><code class="language-java">// (1)
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String[] temp = new String[7];
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// (2)
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temp.clone(names);
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// (3)
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names = new String[20]; // Now it can hold up to 20 names
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// (4)
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names.clone(temp);
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// (5)
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names[7] = "New name!";</code></pre>
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