math.absolute java
float a = 123.0f;
System.out.println(Math.abs(a)); //123.0
double d = -999.3456;
System.out.println(Math.abs(d)); //999.3456
int e = -123;
System.out.println(Math.abs(g)); //123
long g = -12345678;
System.out.println(Math.abs(g)); //12345678