Difference between String Buffer and String

Code Examples


package com.javaninja.stringexamples;

public class StringExample4 {
   //Difference between String Buffer and String
public static void main (String args[])
{
String str1 = "Java";
System.out.println("str1 : "+str1);// Prints Java

str1.toUpperCase();
    System.out.println("str1 after uppercase: "+str1);// Prints Java
   
    StringBuffer sb = new StringBuffer("Java");
    System.out.println("sb : "+sb);// Prints Java
   
    sb.append(" Hello");
    System.out.println("sb after append: "+sb);// Prints Java Hello
}

}