Java.lang Package Classes

Java Math - rint() Method



The java.lang.Math.rint() method returns the double value that is closest to the argument and equal to a mathematical integer. In special cases it returns the following:

  • If the argument value is already equal to a mathematical integer, then the result is the same as the argument.
  • If the argument is NaN or an infinity or positive zero or negative zero, then the result is the same as the argument.

Syntax

public static double rint(double a)

Parameters

a Specify a double value.

Return Value

Returns the double value that is closest to the argument and equal to a mathematical integer.

Exception

NA.

Example:

In the example below, rint() method returns the double value that is closest to the given argument and equal to a mathematical integer.

import java.lang.*;

public class MyClass {
 public static void main(String[] args) {
  System.out.println(Math.rint(48.45));   
  System.out.println(Math.rint(48.55));   
 }
}

The output of the above code will be:

48.0
49.0

❮ Java.lang - Math

5