What will be the output of the following Java program?
class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer(“Hello”);
StringBuffer s2 = s1.reverse();
System.out.println(s2);
}
}
a) Hello
b) olleH
c) HelloolleH
d) olleHHello
Answer: b
Explanation:
output:
olleH
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