Java Code To Find The Maximum And Minimum All Numbers Without Arrays.

Java Code To Find The Maximum And Minimum All  Numbers  Without  Arrays.

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        try {
            int a = 0, b = 0, c = 0, d=Integer.MAX_VALUE;
            //d=Integer.MAX_VALUE   because the  d is set to its maximum value as being an integer
            // and it is of the order 2^31-1 



            do {
                a = Integer.parseInt(jOptionPane1.showInputDialog(null, "please enter the number"));
                b = Math.max(a, b);
                c = Math.min(a, d);
                if (a != 0) {
                    d = c;
                }
            } while (a != 0);

            lb1.setText("Maximum of the numbers is " +b);
            lb2.setText("Minimum of the numbers is " + d);
        } catch (Exception e) {
            jOptionPane1.showMessageDialog(this, "Some thing went wrong");
        }

GUI SAMPLES:

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The programe shows Input JOptionPane Until we Enter 0 >>