Java StringBuffer Replace Example

/*
   Java StringBuffer Replace Example
   This example shows how contents of java StringBuffer can be replaced using
   replace method of Java StringBuffer class.
*/
 
public class JavaStringBufferReplaceExample {
 
  public static void main(String[] args) {
 
    //Create the StringBuffer object
    StringBuffer sb = new StringBuffer("Hello World");
    System.out.println("Original Text : " + sb);
 
    /*
     To replace the contents of Java StringBuffer use
     StringBuffer replace(int start, int end, String str) method.
     It replaces the content from StringBuffer string from start index 
     to end - 1 index by the content of the String str.
    */
    sb.replace(0,5,"Hi");
    System.out.println("Replaced Text : " + sb);
 
 
 
  }
}
 
/*
Output would be
Original Text : Hello World
Replaced Text : Hi World
*/