Java - String Buffer replace() Method

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Description

This method replaces the characters in a substring of this StringBuffer with characters in the specified String.

The substring begins at the specified start and extends to the character at index end - 1 or to the end of the StringBuffer, if no such character exists. First the characters in the substring are removed and then the specified String is inserted at start.

Syntax

Here is the syntax of this method −

public StringBuffer replace(int start, int end, String str)

Parameters

Here is the detail of parameters −

• start − The beginning index, inclusive.

• end − The ending index, exclusive.

• str − String that will replace previous contents.

Return Value

• This method returns the modified StringBuffer object.

Example

Live Demo

public class Test {

   public static void main(String args[]) {
      StringBuffer sb = new StringBuffer("abcdefghijk");
      sb.replace(3, 8, "ZARA");
      System.out.println(sb); 
   }  
}

This will produce the following result −

Output

abcZARAijk

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