convertingStringInput

package lessons;
import javax.swing.JOptionPane;
public class ConvertingStringInputToNum
{
//program converts JOptionPane string into other data types like int
	public static void main(String[] args)
	{
		String sa, sb;
		int numa, numb;

		sa = JOptionPane.showInputDialog("enter a num");
		 numa = Integer.parseInt(sa);
		sb = JOptionPane.showInputDialog("enter a num");
		numb = Integer.parseInt(sb);
		JOptionPane.showMessageDialog(null, numa+numb);

		System.exit(0);
	}

}