Quiz on Java Access Modifiers

What will be the output of the program ?

1. protected class Message {

string  text = “ DataFlair”;

void display () {

system.out.println(text);

}

}

public class Example {

public static void main ( String args [ ] ) 

{

Message object = new Message;

object,display();

}

}

What will be the output of the program ?

addition.package; 

class Addition {

int a , b , sum;

            void add( int a , int b) 

{

system.out.println(sum= a + b );

}

}

public class Example {

public static void main ( String args [ ] ) 

{

Addition obj = new Addition;

obj.add(99,1);

}

}

What will be the error in the program ?

private class One {

private class Two { 

}

}

What will be the output of the program ?

 class A {

private int a = 1;

private Void display ( ) {

system.out.println( This is a private method );

}

}

public class B {

public static void main ( String args [ ] ) 

{

A obj = new A;

Obj.a = 2;

system.out.println(a);

obj.display();

}

}

Which access specifier is accessed only by their subclass and their class on having  the same package ?

What will be the output of the program ?

class Main{  

public int n = 99;  

public void data(){

System.out.println(“ARR Movie Name.”);

}  

}  

class PublicAccessSpecifier{  

public static void main(String args[]){  

Main obj=new Main();  

System.out.println(obj.n);

obj.data();

}  

} 

Which access specifier does the following program exhibit?

class Sample {   

   Int a = 100;

}

class AccessSpecifier {

public static void main( String args [ ] ) 

 {      

Sample obj = new Sample();

int number = obj.a;

system.out.println(“The Number of Branches DataFlair has is: “+number);

}

}

Which of the following is the correct syntax for a private access specifier?

What will be the output of the program  ?

 public class Webservices {

private String  name = “Data”;

public static void main ( String args [ ]  ) 

{

Webservices s = new Webservices ();

s.name = “DataFlair”;

system.out.println(name);

}

}

What is the error in the program ?

 public class Student {

public name;

private Student() {

}public class StudentTest {

public static void main ( String args [ ]  ) {

Student s = new Student (); 

}

}

How to access  public sub-class fields ?

Where should the object be created to get the output?

class A{  

private int data=40;  

private void msg(){

system.out.println(“Hello java”);

}

public static void main ( String args [ ] ) {

}  

}  

public class Simple{  

 public static void main(String args [ ] ) {  

      }  

}

Which is the least restrictive specifier method in Java?

First and Second are two programs with different packages. Second is a subclass of First. What should be imported to Second class to get the output ?

package p1

public class First {

    protected void display()

    {

        System.out.println(“DataFlair”);

    }

}

Package p2

class Second extends First {

    public static void main(String args [ ] )

    {

        Second object = new Second();

        object.display();

    }

}

To perform the concept of Inheritance, which access specifier should be used ?