String Immutable Or Mutable

Immutable means that we can't change the content of the String once it is initialized.

1. In C++ String is Mutable . Which means you can modify the String just like array.

2. In Java String is Immutable. Which will create problems so many problems , we can resolve with the help of converting String to CharArray or Using StringBuilder .

Testing on String By Modifying It :

/**
 *
 */
package com.techyield.operationsinarray;

/**
 * @author satyanarayanagokavarapu
 *
 */
public class StringModification {

/**
* @param args
*/
public static void main(String[] args) {

String s1 = "Sunny";

s1[4]=','; // It will show compile Time Error as This type of expression can be array type //can be resolved to String .

System.out.println(s1);

}

}