package javaapplication1;
import javax.swing.*;

public class JavaApplication1 {
    public static void main(String[] args) {
     double circ,dia,answer1;
     String answer;
      answer = JOptionPane.showInputDialog("What do you want to compute: 'Circumference' or 'Diameter'");
      {
      if(answer.equalsIgnoreCase("circumference")||(answer.equalsIgnoreCase("circ"))){
          do{
              dia = Double.parseDouble(JOptionPane.showInputDialog("Enter value for Diameter"));
          answer1  = dia*Math.PI;
          JOptionPane.showMessageDialog(null, "The Circumference of the circle is: "+answer1);

         int option = JOptionPane.showConfirmDialog(null, "Do you want to compute more?", "Choose", JOptionPane.YES_NO_OPTION);
          if(option == JOptionPane.YES_OPTION){
             answer = JOptionPane.showInputDialog("What do you want to compute: 'Circumference' or 'Diameter'");
          }
          if (option == JOptionPane.NO_OPTION){

              JOptionPane.showMessageDialog(null, "All your computed answers are: "+answer1);
              return;
          }
          }
          while(answer.equalsIgnoreCase("circumference")||(answer.equalsIgnoreCase("Circ")));
        }
     if(answer.equalsIgnoreCase("Diameter")||(answer.equalsIgnoreCase("Dia"))){
         do{
             circ = Double.parseDouble(JOptionPane.showInputDialog("Enter value for Circumference"));
             answer1 =  circ/Math.PI;
             JOptionPane.showMessageDialog(null, "The Diameter of the circles is: "+answer1);
             int option = JOptionPane.showConfirmDialog(null, "Do you want to compute more?","Choose", JOptionPane.YES_NO_OPTION);
             if(option == JOptionPane.YES_OPTION){
                answer = JOptionPane.showInputDialog("What do you want to compute: 'Circumference' or 'Diameter'");
             }
             if (option == JOptionPane.NO_OPTION){

              JOptionPane.showMessageDialog(null, "All your computed answers are: "+answer1);
              return;
          }
         }
         while(answer.equalsIgnoreCase("Diameter")||(answer.equalsIgnoreCase("dia")));
         }

     }
}
}