calc.java

[Amol S.]

import java.util.*;
import java.lang.System.*;
import java.awt.*;
import javax.swing.*;
public class calc
{

private static byte mode;
private static double num1,num2;
public static void main(String[] args)
{

Scanner keyboard=new Scanner(System.in);
out.print("Enter the first number. : ");
num1=keyboard.nextDouble();
out.print("Enter the second num. : ");
num2=keyboard.nextDouble();
setMode();
if(getMode()==1)
{

out.println(num1+num2);
​

}
else if(getMode==2)
{

out.println(num1-num2);
​

}
else if(getMode==3)
{

out.println(num1*num2);
​

}
else
{

out.println(num1/num2);
​

}
​

}
protected static void setMode()
{

Scanner keyboard=new Scanner(System.in);
out.println("Enter 1 for addition. Enter 2 for subtraction. ");
out.print("Enter 3 for multiplication. Enter 4 for division. : ");
try
{

mode=keyboard.nextByte();
​

}
catch(Exception somexception)
{

JOptionPane.showMessageDialog(null,"Error. There was a errorso the program must now exit. ");
JOptionPane.showMessageDialog(null,"The program will exit by it self. ");
exit();
​

}
​

}
protected static byte getMode()
{

return mode;
​

}
​

}

 

[Amol S.]

not working 🙁

 

[Printer Bandit]

http://www.tutorialspoint.com/compile_java_online.php

 

[Ken g6]

1: http://stackoverflow.com/questions/...c-keyword-in-importing-java-lang-system-class

2: What is the difference between a method call and a variable?

You should be able to figure out the rest from the error message(s).

 

[Amol S.]

thanks

 

[purbeast0]

and this should be sticked as how NOT to post an assignment/homework question lol.

 

[slugg]

and this should be sticked as how NOT to post an assignment/homework question lol.

Seems to be the norm for the OP.