Write a Java Program to Clear the StringBuffer

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class Main {
  public static void main(String[] args) {

    // create a string buffer
    StringBuffer str = new StringBuffer();

    // add string to string buffer
    str.append("Java");
    str.append(" is");
    str.append(" popular.");
    System.
span style="color: #0000CC">out.println("StringBuffer: " + str);

    // clear the string
    // using delete()
    str.delete(0, str.length());
    System.out.println("Updated StringBuffer: " + str);
  }
}