StringBuffer length vs. capacity.

   
class StringBufferDemo {
  public static void main(String args[]) {
    StringBuffer sb = new StringBuffer("Hello");
   
    System.out.println("buffer = " + sb);
    System.out.println("length = " + sb.length());
    System.out.println("capacity = " + sb.capacity());
  }
}

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StringBuffer length vs. capacity. : StringBuffer « Development Class « Java

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