counter.java

import javax.swing.JOptionPane;


public class counter
{
    public static void main(String [] args)
    {
        int counter = 1;

        do
        {
            String options = JOptionPane.showInputDialog("[A] Add\n[B] Subtract\n[C] Multiply\n[D] Divide\n[E] Maximum\n[F] Minimum\n[G] Square root\n[exit] To exit");
            if(options.isEmpty())
            {
                JOptionPane.showMessageDialog(null, "Nothing selected");
            }
            if (options.equalsIgnoreCase("a"))
            {
                String addX = JOptionPane.showInputDialog("Enter first number to add");
                String addY = JOptionPane.showInputDialog("Enter second number to add");
                int addA = Integer.parseInt(addX);
                int addB = Integer.parseInt(addY);
                int result = addA + addB;
                JOptionPane.showMessageDialog(null, result);
            }

            else if (options.equalsIgnoreCase("b"))
            {
                String subX = JOptionPane.showInputDialog("Enter first number to subtract");
                String subY = JOptionPane.showInputDialog("Enter second number to subtract");
                int  subA = Integer.parseInt(subX);
                int  subB = Integer.parseInt(subY);
                int result = subA - subB;
                JOptionPane.showMessageDialog(null, result);
            }
            else if(options.equalsIgnoreCase("c"))
            {
                String mulX = JOptionPane.showInputDialog("Enter first number to multiply");
                String mulY = JOptionPane.showInputDialog("Enter second number to multiply");
                int mulA = Integer.parseInt(mulX);
                int mulB = Integer.parseInt(mulY);
                int result = mulA * mulB;

                JOptionPane.showMessageDialog(null, result);
            }
            else if (options.equalsIgnoreCase("Exit"))
            {
                int result = JOptionPane.showConfirmDialog(null, "Do you want to exit the program?", "Exit", JOptionPane.YES_NO_OPTION);
                if (result == JOptionPane.YES_OPTION)
                {
                    System.exit(0);
                }

            }

            else if (options.equalsIgnoreCase("D"))
            {
                String divX = JOptionPane.showInputDialog("Enter number to divide");
                String divY = JOptionPane.showInputDialog("Enter number to divide first number");
                int divA = Integer.parseInt(divX);
                int divB = Integer.parseInt(divY);
                int result = (divA / divB);
                JOptionPane.showMessageDialog(null, result);
            }
            else if (options.equalsIgnoreCase("E"))
            {
                String maxX = JOptionPane.showInputDialog("Enter number");
                String maxY = JOptionPane.showInputDialog("Enter another number");
                int maxA = Integer.parseInt(maxX);
                int maxB = Integer.parseInt(maxY);
                int result = Math.max(maxA, maxB);

                JOptionPane.showMessageDialog(null, result);
            }
            else if (options.equalsIgnoreCase("F"))
            {
                String minX = JOptionPane.showInputDialog("Enter number");
                String minY = JOptionPane.showInputDialog("Enter another number");
                int minA = Integer.parseInt(minX);
                int minB = Integer.parseInt(minY);
                int result = Math.min(minA, minB);
                JOptionPane.showMessageDialog(null, result);
            }

            else if(options.equalsIgnoreCase("G"))
            {
                String sqrtX = JOptionPane.showInputDialog("Enter number to get square root");
                double sqrtA = Double.parseDouble(sqrtX);
                int result = (int)Math.sqrt(sqrtA);

                JOptionPane.showMessageDialog(null, result);
            }

        }while (counter <= 10);
    }
}