how to get absoloute value in java code example

Example 1: finding absolute value in java

import java.lang.Math;
int sum,x=-5;
sum = Math.abs(x);

Example 2: abs in java

public class Test { 

   public static void main(String args[]) {
      Integer a = -8;
      double d = -100;
      float f = -90;

      System.out.println(Math.abs(a));
      System.out.println(Math.abs(d));     
      System.out.println(Math.abs(f));    
   }
}