What is the output of this program?public class output

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What is the output of this program?

public class output
    {
        public static void main(String args[])
        { 
             StringBuffer c = new StringBuffer("InterviewMania");
             System.out.println(c.length());
        }
    }

1. 11
2. 12
3. 13
4. 14
5. 15

Correct Option: D

length() method is used to obtain length of StringBuffer object, length of “InterviewMania” is 14.