java.util contain all the collection classes 

Which is faster and uses less memory?

Which Java access modifier has a 'Different package non-subclass' modifier?

Predict the output of the following Java code.

Exposing only necessary information to clients ( main programs, classes) is known as

 listIterator(int index) : This method returns a list-iterator of the elements in this list (in proper sequence), starting at the specified position in the list.

public class output{

public static void main(String args[]){ 

char num [] = new char[10];

for (int i = 0; i<=10; ++i){

num[i] = 'A';

System.out.print(num[i] + "");

 }

}

} 

Which of the following advantages of packages?

//Predict the output

import java.util.Scanner;

public class Main

{

    public static void main(String args[])

    {

        String s1 = "Abekus";

        String s2 = new String("Abekus");

        s2 = s2.intern();

        System.out.println(s1 == s2);

    }

}

What will be the output of the following Java program?

import java.net.*;

class Networking

{

public static void main(String[] args) throws Exception

{

URL obj = new URL("https://www.abekus.com/javamcq");

URLConnection obj1 = obj.openConnection();

int len = obj1.getContentLength();

System.out.print(len);

}

}