JAVA PROGRAM: TO CALCULATE CIRCUMFERENCE OF A CIRCLE

CODING OF CALCULATE CIRCUMFERENCE BUTTON(jButton1)

        double cm,r;
        r=Double.parseDouble(jTextField1.getText());
        cm=2*3.14*r;
        jTextField2.setText(" "+cm);

CODING OF CLEAR BUTTON(jButton2)

        jTextField1.setText(" ");
        jTextField2.setText(" ");
   

CODING OF EXIT BUTTON(jButton3)   

        System.exit(0);

CODING

RUNNING

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