1.

What is the output of this program?
public class Result 
 {
 public static void main(String args[])
 {
 String a = "hello i love interview mania";
 System.out.println(a.indexOf('i')+" "+a.indexOf('o') +" "+a.lastIndexOf('i')+" "+a.lastIndexOf('o'));
 }
 }
A. 6 4 26 4
B. 4 6 21 4
C. 4 4 6 21
D. 21 6 4 4
E. 4 21 6 4
Answer» B. 4 6 21 4


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