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Convert StringBuffer to String

Return	Method	Summary
String	substring(int start)	Returns a new String that contains a subsequence of characters currently contained in this character sequence.
String	substring(int start, int end)	Returns a new String that contains a subsequence of characters currently contained in this sequence.
String	toString()	Returns a string representing the data in this sequence.
CharSequence	subSequence(int start, int end)	Returns a new character sequence that is a subsequence of this sequence.


public class Main {
  public static void main(String[] argv) {
    StringBuffer sb = new StringBuffer();
    sb.append("java2s.com");
    
    int index = sb.indexOf("com");
    
    System.out.println(index);

  }
}

The output:

« Char index

StringBuilder »

java2s.com |

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