Why does this problem print 12.0?

Question

int x, y; double z;
x = 5;
y = x * 2;
z = x / 2 + y;
System.out.print(z);

Answer 1

integer/integer will result in an integer in Java, decimal part will be removed(no rounding off).

Answer 2

x=5;
y=x*2;//10
z=x/2+y//2+10
Because x is a int variable then its return int value
z=12.0
Because z is a double variable and its store double value using type casting

Answer 3

Because 12 is double although not containing decimals but show decimal part

Answer 4

InvBoy [ :: FEDE :: ] 12.5 ???!!!