A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Design a Calculator using Java Applet/Swing. The display should have all the digit buttons
along with buttons for operations +,-,*, / and =. There is a designated panel to show the
current results. If a digit button is clicked, the number is displayed on the panel. If an
operator button is clicked the operation is to be performed. The calculator can operate in
a. When, the operator buttons are pressed the intermediate results should be
b. The operations can take in any number of arguments and the final result is
displayed only when the = button is pressed.