What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Declaration and Access Control
What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

BaseDerived

Compilation Error

Exception is thrown at runtime

Derived

BaseDerived

Compilation Error

Exception is thrown at runtime

Derived

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Declaration and Access Control
You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

Runtime error

Compiles and runs printing

Compiles and runs with no output.

It will fail to compile.

Runtime error

Compiles and runs printing

Compiles and runs with no output.

It will fail to compile.

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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 protected.

Declare the method with the keyword private.

Declare the method with the keyword public and private.

Declare the method with the keyword public.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword protected.

Declare the method with the keyword private.

Declare the method with the keyword public and private.

Declare the method with the keyword public.

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Declaration and Access Control
What is the output for the below code ?public class A{ static{ System.out.println("static"); } { System.out.println("block"); } public A(){ System.out.println("A"); } public static void main(String[] args){ A a = new A(); }}

A block static

A

static A

static block A

None of these

A block static

A

static A

static block A

None of these

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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 k, 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 j, k, m.

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

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Declaration and Access Control
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.

volatile

abstract

static

final

native

volatile

abstract

static

final

native

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Declaration and Access Control

Declaration and Access Control What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Declaration and Access Control You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

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?

Declaration and Access Control What is the output for the below code ?public class A{ static{ System.out.println("static"); } { System.out.println("block"); } public A(){ System.out.println("A"); } public static void main(String[] args){ A a = new A(); }}

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;}

Declaration and Access Control Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.

Declaration and Access Control
What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }}

Declaration and Access Control
You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this?

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?

Declaration and Access Control
What is the output for the below code ?public class A{ static{ System.out.println("static"); } { System.out.println("block"); } public A(){ System.out.println("A"); } public static void main(String[] args){ A a = new A(); }}

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;}

Declaration and Access Control
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.