Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?

Declaration and Access Control
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?

In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.

From within protected methods you do not have access to public methods.

This method is only accessible from inside the class itself and from inside all subclasses.

This method is accessible from within the class itself and from within all classes defined in the same package as the class itself.

In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.

From within protected methods you do not have access to public methods.

This method is only accessible from inside the class itself and from inside all subclasses.

This method is accessible from within the class itself and from within all classes defined in the same package as the class itself.

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Declaration and Access Control
What can directly access and change the value of the variable qusNo?package com.mypackage;public class Test{ private int qusNo = 100;}

Any class in com.mypackage package.

Any class that extends Test.

Only the Test class.

Any class.

None of these

Any class in com.mypackage package.

Any class that extends Test.

Only the Test class.

Any class.

None of these

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Declaration and Access Control
A package is a collection of

Classes and Interfaces

Editing tools and Interfaces

Interfaces

Classes

Editing tools

Classes and Interfaces

Editing tools and Interfaces

Interfaces

Classes

Editing tools

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Declaration and Access Control
What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }}

Compile error - char can't be permitted in switch statement.

two

Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted.

None of these

one

Compile error - char can't be permitted in switch statement.

two

Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted.

None of these

one

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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?

Declare the method with the keyword public.

Declare the method with the keyword public and private.

Declare the method with the keyword protected.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword private.

Declare the method with the keyword public.

Declare the method with the keyword public and private.

Declare the method with the keyword protected.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword private.

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Declaration and Access Control
Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way.

(II) and (III)

(I) and (II)

Only (III)

Only (I)

(I), (II) and (III)

(II) and (III)

(I) and (II)

Only (III)

Only (I)

(I), (II) and (III)

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Declaration and Access Control

Declaration and Access Control Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?

Declaration and Access Control What can directly access and change the value of the variable qusNo?package com.mypackage;public class Test{ private int qusNo = 100;}

Declaration and Access Control A package is a collection of

Declaration and Access Control What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }}

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 Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way.

Declaration and Access Control
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?

Declaration and Access Control
What can directly access and change the value of the variable qusNo?package com.mypackage;public class Test{ private int qusNo = 100;}

Declaration and Access Control
A package is a collection of

Declaration and Access Control
What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }}

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
Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way.