Java Number longValue() Method

The longValue() is a method of Java Number Class which returns the value of the specified number object as long equivalent.

Syntax:

Following is the declaration of longValue() method:

Parameter:

DataType	Parameter	Description
NA	NA	This method does not accept any parameter.

Returns:

The longValue() method returns the numeric value represented by this object after conversion to type long.

Exceptions:

Compatibility Version:

Java 1.0 and above

Example 1

public class NumberLongValueExample1 {
	public static void main(String[] args) {	
	    Number x = 666655599;
	    long y = 2550;	    
	    Long result = x.longValue()/y;
	    System.out.println("Value is = "+result);		
          }
}

Test it Now

Output:

Value is = 261433

Example 2

public class NumberLongValueExample2 {
	public static void main(String[] args) {
		Byte B = 85;
            long l = B.longValue();
            System.out.println(l);      
            Short S = 4101;
            l = S.longValue();
            System.out.println(l);   
            Integer I = 59;
            l = I.longValue();
            System.out.println(l);    
            Double D = 52134.232676;
            l = D.longValue();
            System.out.println(l);   //Output : 52134  (Value is truncated)
            }
}

Test it Now

Output:

Example 3

public class NumberLongValueExample3 {
	public static void main(String[] args) {	
	      Number num1 = 298689.9549;	 
	      //Return the value of this Number as a long    
	      System.out.println("Output Number as long: " + num1.longValue());	      
	      Float num2 = -98723886f;	      
	      //Return the value of this float Number as a long
	      System.out.println("Output Float as long: " + num2.longValue());
            }
}

Test it Now

Output:

Output Number as long: 298689
Output Float as long: -98723888

Next TopicJava Number Class

← prev next →

Latest Courses

We provides tutorials and interview questions of all technology like java tutorial, android, java frameworks

Contact info

G-13, 2nd Floor, Sec-3, Noida, UP, 201301, India

[email protected].

Python

AI, ML and Data Science

Java

B.Tech and MCA

Web Technology

Software Testing

Technical Interview

Java Interview

Web Interview

Database Interview

Company Interviews

Java Tutorial

Control Statements

Java Object Class

Java Inheritance

Java Polymorphism

Java Abstraction

Java Encapsulation

Java Array

Java OOPs Misc

Java String

Java String Methods

Java Regex

Exception Handling

Java Inner Class

Java Multithreading

Java Synchronization

Java Networking

Java Applet

Java Reflection

Java Conversion

Java JDBC

RMI

Internationalization

Java Array Class

Java AtomicInteger Class

Java AtomicLong Methods

Java Authenticator

Java BigDecimal class

Big Integer Class

Java Boolean class

Java Byte Class

Java Class

Java Collections class

Java Compiler Class

CopyOnWriteArrayList

Java Math Methods

LinkedBlockingDeque

Java Long class

LinkedTransferQueue

Java List

Java MulticastSocket

Java Number Class

Java Phaser Class

ArrayList Methods

Java Thread Methods

Java Projects

Java Programs

Java Misc

Java Date Class

Java ListIterator Class

Java NIO Tutorial

HttpURLConnection

Java Deque

Java HttpCookie Class

Java URL class

Java List Methods

Java Vector class

Java Collection Methods

Java Socket Class

Java Executors

Java Number longValue() Method

Syntax:

Parameter:

Returns:

Exceptions:

Compatibility Version:

Example 1

Example 2

Example 3