Java Math.abs() method with Examples

by Online Tutorials Library July 22, 2022

Java Math.abs() method

The java.lang.Math.abs() method returns the absolute (Positive) value of a int value. This method gives the absolute value of the argument. The argument can be int, double, long and float.

Syntax:

  public static int abs(int i)  public static double abs(double d)  public static float abs(float f)  public static long abs(long lng)  

Parameters:

Return:

If we provide positive or negative value as argument, this method will result positive value.
If the argument is Infinity, this method will result Positive Infinity.
If the argument is NaN, this method will return NaN.
If the argument is equal to the value of Integer.MIN_VALUE or Long.MIN_VALUE, the most negative representable int value or long value, the result is that same value, which is negative.

Example 1:

  public class AbsExample1  {      public static void main(String args[])      {          int x = 78;          int y = -48;          //print the absolute value of int type          System.out.println(Math.abs(x));          System.out.println(Math.abs(y));          System.out.println(Math.abs(Integer.MIN_VALUE));      }  }  

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Output:

78  48  -2147483648

Example 2:

  public class AbsExample2   {       public static void main(String args[])      {          double x = -47.63;          double y = -894.37;          //print the absolute value of double type          System.out.println(Math.abs(x));          System.out.println(Math.abs(y));          System.out.println(Math.abs(7.0 / 0));         }  }  

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Output:

47.63  894.37  Infinity

Example 3:

  public class AbsExample3  {  public static void main(String args[])      {  float x = -73.02f;  float y = -428.0f;  //print the absolute value of float type  System.out.println(Math.abs(x));  System.out.println(Math.abs(y));      }  }  

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Output:

73.02  428.0

Example 4:

  public class AbsExample4   {  public static void main(String args[])      {  long x = 78730343;  long y = -4839233;  //print the absolute value of long type  System.out.println(Math.abs(x));  System.out.println(Math.abs(y));  System.out.println(Math.abs(Long.MIN_VALUE));      }  }  

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Output:

78730343  4839233  -9223372036854775808

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Return:

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