📄 addition3.java
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import javax.swing.JOptionPane;
public class Addition3{
public static void main(String args[])
{
String firstNumber,secondNumber;
int number1,number2,sum;
firstNumber=JOptionPane.showInputDialog("Enter first integer");
secondNumber=JOptionPane.showInputDialog("Enter second integer");
number1=Integer.parseInt(firstNumber);
number2=Integer.parseInt(secondNumber);
sum=number1+number2;
JOptionPane.showMessageDialog(null,"The sum is"+sum,"Results",JOptionPane.PLAIN_MESSAGE);
System.exit(0);
}
}
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