Question

What is the output of this program?

    package pkg;
    class output 
    {
        public static void main(String args[])
        { 
            StringBuffer s1 = new StringBuffer("Hello");
            s1.setCharAt(1, x);
            System.out.println(s1);
        }
    }

a.

xello

b.

xxxxx

c.

Hxllo

d.

Hexlo

Posted under Interfaces and Packages Java Programming

Answer: (c).Hxllo

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Q. What is the output of this program?

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