How do you pause a program until a button is pressed in JAVA?

Java Arraylist Question?

• Declare an ArrayList to hold your CD collection. Start the program with all buttons disabled except the Initialize button. When Initialize is pressed the ArrayList will be filled with 5 CD titles. The Initialize button then becomes disabled and the other buttons become enabled. this is what i worked out ArrayList <String> cdnames = new ArrayList(); cdnames.add("Metric-Fantasies"); cdnames.add("Beatles-Abbey Road"); cdnames.add("Pearl Jam-Ten"); cdnames.add("Doors-Alive"); cdnames.add("The Rolling Stones-Gimme Shelter"); jButton1.setEnabled(true); jButton2.setEnabled(false); jButton3.setEnabled(false); jButton4.setEnabled(false); for (int j = 0; j < cdnames.size(); j++) { jTextArea1.setText( cdnames.get(j)); jTextArea1.setText( cdnames.get(j));} jButton1.setEnabled(false); jButton2.setEnabled(true); jButton3.setEnabled(true); jButton4.setEnabled(true);

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