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POHow to use ArrayList properly?
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2013-04-30T18:45:34.883
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Okay so using ArrayLists is a first for me, and I would consult my teacher or friends for help first...but its an online course so asking questions takes forever, and as of now I am the only student taking this course in my entire school (It's a pretty small school.) Anyways, this is so simple it's ridiculous (for you I would suppose) however it's getting rid of the underlined things...so I'm guessing I'm missing a key component... <pre><code>public class EmployeeProjectView extends FrameView { </code></pre> For example take this line...the beginning of this program, <code>company</code> is underlined red (I'm using netbeans) and I'm not sure why, it works fine as <code>String</code> so my question is....does it always have to be defined as a <code>String</code>? <pre><code>/** Define the ArrayList */ ArrayList<company> employee = new ArrayList<company>(); public EmployeeProjectView(SingleFrameApplication app) { }// </editor-fold> </code></pre> This (below for "addButton") is where you store the information in the array. <pre><code>private void addButtonActionPerformed(java.awt.event.ActionEvent evt) { String c; String ID, firstName, lastName, salary, date; ID = IDField.getText(); firstName = firstNameField.getText(); salary = annualSalField.getText(); date = startDateField.getText(); </code></pre> new <code>String</code> is underlined red... <pre><code> c = new String(ID, firstName, lastName, salary, date); employee.add(c); } private void listButtonActionPerformed(java.awt.event.ActionEvent evt) { //Code here gets listed in Field... } </code></pre>
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<java><arrays><list>
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How to use ArrayList properly?
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1. CO@Que.. Do you have a class named Company?
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