10-08-2008, 08:41 AM
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Moderator
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Join Date: Jul 2007
Location: Colombo, Sri Lanka
Posts: 5,065
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If you are using local variables, you must declare them before use. For instance/class variables you don't need to do it, default values are automatically declared.
temp1 = JOptionPane.showInputDialog("The First Number is:");
num1 = Integer.parseInt(temp1);
temp2 = JOptionPane.showInputDialog("The Second Number is:");
num2 = Integer.parseInt(temp2);
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