What is the output of this program? class output { public static void main(String args[]) { String s1 = "Hello World"; String s2 = s1.substring(0 , 4); System.out.println(s2); } }

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[]) { String s1 = "Hello World"; String s2 = s1.substring(0 , 4); System.out.println(s2); } }
A.	Hell
B.	Hello
C.	Worl
D.	World
Answer» B. Hello