What is the output of this program? class output { public static void main(String args[]) { StringBuffer sb=new StringBuffer("Hello"); sb.replace(1,3,"Java"); System.out.println(sb); } }

What is the output of this program? class output {

1.	What is the output of this program? class output { public static void main(String args[]) { StringBuffer sb=new StringBuffer("Hello"); sb.replace(1,3,"Java"); System.out.println(sb); } }
A.	Hello java
B.	Hellojava
C.	HJavalo
D.	Hjava
Answer» D. Hjava