Java Data Type Tutorial - Java Math.signum(double d)

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Syntax

Math.signum(double d) has the following syntax.

public static double signum(double d)

Example

In the following code shows how to use Math.signum(double d) method.

/* ww  w  .j av  a  2s.c  o  m*/
public class Main {

   public static void main(String[] args) {

      double x = 12.34;
      double y = -4;

      // call signum for both doubles and print the result
      System.out.println("Math.signum(" + x + ")=" + Math.signum(x));
      System.out.println("Math.signum(" + y + ")=" + Math.signum(y));

   }
}

The code above generates the following result.

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