Java.lang.Math.abs() Method

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Description

The java.lang.Math.abs(float a) returns the absolute value of a float value. If the argument is not negative, the argument is returned. If the argument is negative, the negation of the argument is returned.Special cases:

  • If the argument is positive zero or negative zero, the result is positive zero.

  • If the argument is infinite, the result is positive infinity.

  • If the argument is NaN, the result is NaN.

Declaration

Following is the declaration for java.lang.Math.abs() method

public static float abs(float a)

Parameters

  • a -- the argument whose absolute value is to be determined

Return Value

This method returns the absolute value of the argument.

Exception

  • NA

Example

The following example shows the usage of lang.Math.abs() method.

package com.tutorialspoint;

import java.lang.*;

public class MathDemo {

   public static void main(String[] args) {

      // get some floats to find their absolute values
      float x = 1.2345f;
      float y = -857.54f;

      // get and print their absolute values
      System.out.println("Math.abs(" + x + ")=" + Math.abs(x));
      System.out.println("Math.abs(" + y + ")=" + Math.abs(y));
      System.out.println("Math.abs(-145.0f)=" + Math.abs(-145.0f));
   }
}

Let us compile and run the above program, this will produce the following result:

Math.abs(1.2345f)=1.2345
Math.abs(-857.54f)=857.54
Math.abs(-145.0f)=145.0



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