Java math. abs function usage

The compatibility types are as follows:
Static double abs (double)
Returns the absolute value of the double value.
Static float abs (float)
Returns the absolute value of a float value.
Static int abs (int)
Returns the absolute value of the int value.
Static long abs (long)
Returns the absolute value of the long value.

The code is as follows:

Copy code

Package com. java. lang;   Public class Math {   /** * @ Param args */ Public static void main (String [] args ){ System. out. println ("double type: \ t" + java. lang. Math. abs (2.55d )); System. out. println ("float type: \ t" + java. lang. Math. abs (-2.5f )); System. out. println ("int type: \ t" + java. lang. Math. abs (-2 )); System. out. println ("long type: \ t" + java. lang. Math. abs (-255829188 ));    }   } Out

Double: 2.55
Float type: 2.5
Int type: 2
Long: 255829188