Compound Assignment Operator?

1. Assignment operator = 

2. Compound Assignment operator

+=	-=	*=	/=	%=
x = x + a;	x = x - a;	x = x * a;	x = x / a;	x = x % a;

int a = 100;
a += 10;
// a = a + 10
// a = 110
a -= 10;
// a = a - 10
// a = 100
a *= 10;
// a = a * 10
// a = 1000
a /= 10;
// a = a / 10
// a = 100
a %= 10;
// a = a % 10
// a = 0
---------------
int b = 9;
a += 18;
// a = 27
a -= 9;
// a = 18
a *= 5;
// a = 90
a /= 10;
// a = 9
a %= 3;
// a = 0