Java – String intern() Method

Description:

This method returns a canonical representation for the string object. It follows that for any two strings s and t, s.intern() == t.intern() is true if and only if s.equals(t) is true.

Syntax:

Here is the syntax of this method:

public String intern()

Parameters:

Here is the detail of parameters:

NA

Return Value:

This method Returns a canonical representation for the string object.

Example:

import java.io.*;

public class Test{
   public static void main(String args[]){
      String Str1 = new String("Welcome to dineshonjava.com");
      String Str2 = new String("WELCOME TO WWW.DINESHONJAVA.COM");

      System.out.print("Canonical representation:" );
      System.out.println(Str1.intern());

      System.out.print("Canonical representation:" );
      System.out.println(Str2.intern());
   }
}

This produces following result:

output:
Canonical representation:Welcome to dineshonjava.com
Canonical representation:WELCOME TO WWW.DINESHONJAVA.COM

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Dinesh Rajput

Dinesh Rajput is the chief editor of a website Dineshonjava, a technical blog dedicated to the Spring and Java technologies. It has a series of articles related to Java technologies. Dinesh has been a Spring enthusiast since 2008 and is a Pivotal Certified Spring Professional, an author of a book Spring 5 Design Pattern, and a blogger. He has more than 10 years of experience with different aspects of Spring and Java design and development. His core expertise lies in the latest version of Spring Framework, Spring Boot, Spring Security, creating REST APIs, Microservice Architecture, Reactive Pattern, Spring AOP, Design Patterns, Struts, Hibernate, Web Services, Spring Batch, Cassandra, MongoDB, and Web Application Design and Architecture. He is currently working as a technology manager at a leading product and web development company. He worked as a developer and tech lead at the Bennett, Coleman & Co. Ltd and was the first developer in his previous company, Paytm. Dinesh is passionate about the latest Java technologies and loves to write technical blogs related to it. He is a very active member of the Java and Spring community on different forums. When it comes to the Spring Framework and Java, Dinesh tops the list!

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