Question

Q4. What will be the output of the
following Java program? class output
{ public static void main(String args[])
{ StringBuffer c = new
StringBuffer("Hello"); StringBuffer c1 =
new StringBuffer(" World");
c.append(c1); System.out.println(c); }
} *​

Answer 1

Answer:

Hello World

Explanation:

append() method of class StringBuffer is used to concatenate the string representation to the end of invoking string.