How do I add more memory to my Imac, I only have 1GB of memory and need 2GB to download Yosemite!

How do I add more memory to my Imac, I only have 1GB of memory and need 2GB to download Yosemite?

Janet,
This is why the question rkaufmann87 asked about your model is so important:
[click chart to enlarge if needed]
The list covers the early iMacs with Intel processors that shipped with either OS 10.4 or 10.5 and have only two RAM slots. As you can see, some have limits to what version of OSX you can install. If the step rkaufmann requests does not narrow down your model, you can do one more thing.
While the "About this Mac" window is open, click the "More Info..." button at the bottom of that window to get this (assuming you are really running OS 10.5.8 as shown in your profile):
The code I've indicated with the red arrow corresponds to the codes in the second column on the chart. Post the code your computer reports--again don't post a serial number.
If your iMac shipped with only 1GB RAM, I fear it is one of the earliest models that cannot be upgraded all the way to Yosemite.

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    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    // End of variables declaration
    and
    package looptest;
    public class Main {
    public Main() {
    public static void main(String[] args) {
    new loopframe().setVisible(true);
    }

    Thanks for here kind attention to solve my problem.
    I am thinking to create the classes separately for the components (i.e the jpanel, combobox,textbox etc)and call their instaces from the for loop .But the problem is the jpanel will contain the other components and that jpanels (unlimited jpanels will be added later)will be later added to the jscrollpane.
    By writing code, the problem is to place components( the comboboxes,textboxes etc placed on the jpanel ) in appropriate coordinates . So i am doing it through tool .
    I am sending here the sample code related to my actual need . In this i have taken a jScrollPane, on that i have added jPanel1 and on jPanel1 i have added jPanel2.On jPanel2 jTextField1, jComboBox1,jCheckBox are added. If the u ll see the code u can understand what problem i am facing.
    If i am still not clearly explained ,please ask me. plz help me if u can as u have already handled a problem similar to this.
    package addpanels;
    public class Main {
    /** Creates a new instance of Main */
        public Main() {
        public static void main(String[] args) {
            new addpanels().setVisible(true);
    } and
    package addpanels;
    public class addpanels extends javax.swing.JFrame {
        /** Creates new form addpanels */
        public addpanels() {
            initComponents();
        private void initComponents() {
            jScrollPane1 = new javax.swing.JScrollPane();
            jPanel1 = new javax.swing.JPanel();
            jPanel2 = new javax.swing.JPanel();
            jTextField1 = new javax.swing.JTextField();
            jComboBox1 = new javax.swing.JComboBox();
            jCheckBox1 = new javax.swing.JCheckBox();
            setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
            jTextField1.setText("jTextField1");
            jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
            jCheckBox1.setText("jCheckBox1");
            jCheckBox1.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
            jCheckBox1.setMargin(new java.awt.Insets(0, 0, 0, 0));
            org.jdesktop.layout.GroupLayout jPanel2Layout = new org.jdesktop.layout.GroupLayout(jPanel2);
            jPanel2.setLayout(jPanel2Layout);
            jPanel2Layout.setHorizontalGroup(
                jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                .add(jPanel2Layout.createSequentialGroup()
                    .addContainerGap()
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 131, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                    .add(jComboBox1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 144, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                    .add(jCheckBox1)
                    .addContainerGap(39, Short.MAX_VALUE))
            jPanel2Layout.setVerticalGroup(
                jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                .add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel2Layout.createSequentialGroup()
                    .addContainerGap(17, Short.MAX_VALUE)
                    .add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                        .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                        .add(jComboBox1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox1))
                    .addContainerGap())
            org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
            jPanel1.setLayout(jPanel1Layout);
            jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                .add(jPanel1Layout.createSequentialGroup()
                    .addContainerGap()
                    .add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(34, Short.MAX_VALUE))
            jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                .add(jPanel1Layout.createSequentialGroup()
                    .add(26, 26, 26)
                    .add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(152, Short.MAX_VALUE))
            jScrollPane1.setViewportView(jPanel1);
            org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
            getContentPane().setLayout(layout);
            layout.setHorizontalGroup(
                layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                    .addContainerGap(36, Short.MAX_VALUE)
                    .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 449, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(18, 18, 18))
            layout.setVerticalGroup(
                layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                .add(layout.createSequentialGroup()
                    .add(32, 32, 32)
                    .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 230, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(38, Short.MAX_VALUE))
            pack();
        public static void main(String args[]) {
            java.awt.EventQueue.invokeLater(new Runnable() {
                public void run() {
                    new addpanels().setVisible(true);
        // Variables declaration - do not modify//GEN-BEGIN:variables
        private javax.swing.JCheckBox jCheckBox1;
        private javax.swing.JComboBox jComboBox1;
        private javax.swing.JPanel jPanel1;
        private javax.swing.JPanel jPanel2;
        private javax.swing.JScrollPane jScrollPane1;
        private javax.swing.JTextField jTextField1;
        // End of variables declaration//GEN-END:variables
    }

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