Java.lang.Long.signum() Method

---

Description

The java.lang.Long.signum() method returns the signum function of the specified long value.The return value is -1 if the specified value is negative, 0 if the specified value is zero and 1 if the specified value is positive.

Declaration

Following is the declaration for java.lang.Long.signum() method

public static int signum(long i)

Parameters

i − This is the long value.

Return Value

This method returns the signum function of the specified long value.

Exception

NA

Example

The following example shows the usage of java.lang.Long.signum() method.

package com.tutorialspoint;

import java.lang.*;

public class LongDemo {

   public static void main(String[] args) {

      // returns 1 as long value is greater than 1
      System.out.println(Long.signum(87654));

      // returns -1 as long value is less than 1
      System.out.println(Long.signum(-56578));

      // returns 0 as long value is equal to 0
      System.out.println(Long.signum(0));
   }
}

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

1
-1
0