What will the code fragment below print Type your answer in

What will the code fragment below print? Type your answer in the box below. int a = 1; int b = 2; int c = 3; int num = a + b; switch(num) { case 0: System.out.println(a * a); break; case 1: System.out.println(a + a); break; case 2: System.out.println(b * c); break; case 3: System.out.println(c * c); break; }

Solution

Answer is :

9

Here is how explained in code... explaination is comments...

public
class HelloWorld {

public
static void main(String[] args)
{
int a = 1;
int b = 2;
int c = 3;
int num = a + b; // 1 + 2 = 3 .. num = 3
switch (num) { // matches case num = 3
case 0:
System.out.println(a * a);
break;
case 1:
System.out.println(a + a);
break;
case 2:
System.out.println(b * c);
break;
case 3: // match this case.
System.out.println(c * c); // prints 3 * 3
break;
}
}
}

Output:

9