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
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?

Declare the method with the keyword private.

Declare the method with the keyword public and private.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword protected.

Declare the method with the keyword public.

Declare the method with the keyword private.

Declare the method with the keyword public and private.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword protected.

Declare the method with the keyword public.

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Declaration and Access Control
What will be the output for the below code?public class Test{ static{ int a = 5; } public static void main(String[] args){ System.out.println(a); }}

Compile with error

None of these

0

Runtime Exception

5

Compile with error

None of these

0

Runtime Exception

5

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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

Derived

Compilation Error

Exception is thrown at runtime

BaseDerived

Derived

Compilation Error

Exception is thrown at runtime

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Declaration and Access Control
A package is a collection of

Classes and Interfaces

Editing tools

Interfaces

Classes

Editing tools and Interfaces

Classes and Interfaces

Editing tools

Interfaces

Classes

Editing tools and Interfaces

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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 with no output.

It will fail to compile.

Compiles and runs printing

Runtime error

Compiles and runs with no output.

It will fail to compile.

Compiles and runs printing

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Declaration and Access Control
Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}}

pre r1 r4 b1 b2 r2 r3 post

Compilation fail

r1 r4 pre b1 b2 r3 r2 post

r1 r4 pre b1 b2 post r3 r2

r1 r4 pre b1 b2 post

pre r1 r4 b1 b2 r2 r3 post

Compilation fail

r1 r4 pre b1 b2 r3 r2 post

r1 r4 pre b1 b2 post r3 r2

r1 r4 pre b1 b2 post

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Declaration and Access Control

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 will be the output for the below code?public class Test{ static{ int a = 5; } public static void main(String[] args){ System.out.println(a); }}

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 A package is a collection of

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 will be the output for the below code?public class Test{ static{ int a = 5; } public static void main(String[] args){ System.out.println(a); }}

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
A package is a collection of

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?