Object Oriented Programming Through Java by Pearson

2.24 Object-oriented Programming with Java

6. int num2 = Integer.parseInt(args[1]);

7. int ch = Integer.parseInt(args[2]);

8. int result;

9. if (ch==1)

10. result=num1+num2;

11. else

12. //subtract

13. result=num1-num2;

14. //display result

15. JOptionPane.showMessageDialog(null,”The result is “+result,

”Answer”,JOptionPane.PLAIN_MESSAGE);

16. // return i.e exit programme

17. System.exit(0);

18. }

19. } // end Calculator prog

Compile Calculator2.java using the command.

C:\OopsJava\examples\src\com\oops\chap1>javac -d

c:\Oopsjava\examples\bin Calculator2.java

Now go to bin directory and type the command to execute Java program giving full package

path with ...