4.simple calculation in java

 class calculate

{

public static void main(String arg[])

{

int a = 10, b = 5;

System.out.println("A = " + a);

System.out.println("B = " + b);

int c = a + b;

System.out.println(" Addition  = " + c);

c = a - b;

System.out.println(" Substraction = " + c);

c = a * b;

System.out.println(" Multiplication = " + c);

c = a / b;

System.out.println(" Division = " + c);

}

}