Java.lang.String.concat() Method


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Description

The java.lang.String.concat() method concatenates the specified string to the end of this string.

Declaration

Following is the declaration for java.lang.String.concat() method

public String concat(String str)

Parameters

str − This is the String that is concatenated to the end of this String.

Return Value

This method returns a string that represents the concatenation of this object's characters followed by the string argument's characters.

Exception

NA

Example

The following example shows the usage of java.lang.String.concat() method.

Live Demo
package com.tutorialspoint;

import java.lang.*;

public class StringDemo {

   public static void main(String[] args) {

      // print str1
      String str1 = "self";
      System.out.println(str1);
 
      // print str2 concatenated with str1
      String str2 = str1.concat(" learning");
      System.out.println(str2);
   
      // prints str3 concatenated with str2(and str1)
      String str3 = str2.concat(" center");
      System.out.println(str3);
   }
}

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

self
self learning
self learning center

java_lang_string.htm

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