❮ Math Methods
Example
System.out.println(Math.signum(12));
System.out.println(Math.signum(0.5));
System.out.println(Math.signum(0));
System.out.println(Math.signum(-0.25));
System.out.println(Math.signum(-6));Definition and Usage
The signum() method returns the sign of a number. A number's sign tells whether it is positive or negative. This method returns 1 for positive numbers, -1 for negative numbers and 0 for the number 0.
Syntax
public static double signum(double
number )public static float signum(float
number )Parameter Values
| Parameter | Description |
|---|---|
| number | Required. A number to find the sign of. |
Technical Details
| Returns: | A double or float value representing the sign of a number. Returns 1 for positive numbers, -1 for negative numbers and 0 for the number 0. |
|---|---|
| Java version: | 1.5+ |