catch is used for the block to be examined for exceptions 

 component is used to compile, debug and execute java program 

Terminate() methods of a Thread class is used to suspend a thread for a period of time 

Which data structure should be used when the number of elements is fixed?

Which method is used to concatenate 2 strings in the StringBuffer class?

What exception will be thrown when the given code is executed?

What will be the order of precedence for the following operators - (lowest to highest)

a. ^

b. &

c. ?:

public class Demo123{

     public static void main(String args[]){

String s1= new String("hello");

String s2= new String("Abekus");

System.out.println(s2==s1);

   }

}

Select the wrong one out

Predict the output of the following Java code:

import java.util.Scanner;

public class MyClass {

public static void main(String args[]) {

StringBuffer str = new StringBuffer("InFormal");

int index = str.indexOf("For");

System.out.println(" " + index);

}

}