Declaration and Access Control
Choose the correct statementpublic class Circle{ private double radius; public Circle(double radius){ radius = radius; }}

The program does not compile because Circle does not have a default constructor.
The program has a compilation error because we cannot assign radius to radius.
The program will compile, but we cannot create an object of Circle with a specified radius. The object will always have radius 0.
The program has a compilation error because it does not have a main method.

ANSWER DOWNLOAD EXAMIANS APP

Declaration and Access Control
What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}

None of these
The program will lead to compilation error.
The program will compile successfully and display 10 as output.
The will compile successfully and display 9 as output.
The program will lead to runtime error.

ANSWER DOWNLOAD EXAMIANS APP

Declaration and Access Control
A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?

Do not declare the method with any accessibility modifiers.
Declare the method with the keyword public.
Declare the method with the keyword protected.
Declare the method with the keyword public and private.
Declare the method with the keyword private.

ANSWER DOWNLOAD EXAMIANS APP

Declaration and Access Control
Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.*; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.*; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A();

1 and 2
1 and 3
3 and 4
2 and 4

ANSWER DOWNLOAD EXAMIANS APP

Declaration and Access Control
Which statements are most accurate regarding the following classes?class A{ private int i; protected int j;}class B extends A{ private int k; protected int m;}

An object of B contains data fields j, m.
An object of B contains data fields i, j, k, m.
An object of B contains data fields k, m.
An object of B contains data fields j, k, m.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Declaration and Access Control