Java.lang.Number.longValue() Method


Advertisements


Description

The java.lang.Number.longValue() method returns the value of the specified number as a long. This may involve rounding or truncation.

Declaration

Following is the declaration for java.lang.Number.longValue() method

public abstract long longValue()

Parameters

  • NA

Return Value

This method returns the numeric value represented by this object after conversion to type long.

Exception

  • NA

Example

The following example shows the usage of lang.Number.longValue() method.

package com.tutorialspoint;

public class NumberDemo {

   public static void main(String[] args) {

   // get a number as float
   Float x = new Float(123456f);

   // get a number as double
   Double y = new Double(9876);

   // print their value as long
   System.out.println("x as float:" + x
   + ", x as long:" + x.longValue());
   System.out.println("y as double:" + y
   + ", y as long:" + y.longValue());
   }
}

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

x as float:123456.0, x as long:123456
y as double:9876.0, y as long:9876

java_lang_number.htm

Advertisements