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Java StringBuffer Replace Example

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  1. /*
  2.    Java StringBuffer Replace Example
  3.    This example shows how contents of java StringBuffer can be replaced using
  4.    replace method of Java StringBuffer class.
  5. */
  6.  
  7. public class JavaStringBufferReplaceExample {
  8.  
  9.   public static void main(String[] args) {
  10.    
  11.     //Create the StringBuffer object
  12.     StringBuffer sb = new StringBuffer("Hello World");
  13.     System.out.println("Original Text : " + sb);
  14.    
  15.     /*
  16.      To replace the contents of Java StringBuffer use
  17.      StringBuffer replace(int start, int end, String str) method.
  18.      It replaces the content from StringBuffer string from start index
  19.      to end - 1 index by the content of the String str.
  20.     */
  21.     sb.replace(0,5,"Hi");
  22.     System.out.println("Replaced Text : " + sb);
  23.    
  24.    
  25.    
  26.   }
  27. }
  28.  
  29. /*
  30. Output would be
  31. Original Text : Hello World
  32. Replaced Text : Hi World
  33. */