Can you please explain why the answer is 3?

Question

I have the question below but really dont know why is this answer
Int a=2;
Int x=0;
Switch(a){
Case 1: ++x;
Case 2: ++x;
Case 3:++x;
Default: ++x;}
System.out.print(x);

Answer 1

a=2 so switch(2) will go to case 2 where x is incremented by 1 and x=1. But since there is no break statement, case 3 is also executed so x is again incremented by 1 and x=2. Again there is no break so default is also executed and x is incremented by 1 again so final value is x=3.

Answer 2

you forgot break after each increment in switch construction

Answer 3

Without break statement all the three conditions will be executed.

Answer 4

Hi Igor, this is how the q is at tests