Question 1

Which of these access specifiers can be used for an interface?

Accepted Answer

A) Public 
B) Protected 
C) private 
D) All of the mentioned 
A) Public 
B) Protected 
C) private 
D) All of the mentioned A

Question 2

The keyword used to create a package is

Accepted Answer

A) import 
B) package 
C) classpath 
D) public 
A) import 
B) package 
C) classpath 
D) public B

Question 3

Which of these keywords is not a part of exception handling?

Accepted Answer

A) try 
B) finally 
C) thrown 
D) catch 
A) try 
B) finally 
C) thrown 
D) catch C

Question 4

Which of this access specifies can be used for a class so that its objects can be created by a different class in another package?

Accepted Answer

A) Public 
B) Protected 
C) No Modifier 
D) All of the mentioned 
A) Public 
B) Protected 
C) No Modifier 
D) All of the mentioned

Question 5

Which of these keywords must be used to monitor for exceptions?

Accepted Answer

A) try..catch 
B) finally 
C) throw 
D) throws 
A) try..catch 
B) finally 
C) throw 
D) throws

Question 6

Which of these is a mechanism for naming and visibility control of a class and its content?

Accepted Answer

A) Object 
B) Packages 
C) Interfaces 
D) None of the Mentioned 
A) Object 
B) Packages 
C) Interfaces 
D) None of the Mentioned

Question 7

Which of these classes is related to all the exceptions that can be caught by using catch?

Accepted Answer

A) Error 
B) Exception 
C) None of these 
D) a & b 
A) Error 
B) Exception 
C) None of these 
D) a & b

Question 8

Which of these method of class String is used to obtain length of String object?

Accepted Answer

A) get() 
B) Sizeof() 
C) lengthof() 
D) length() 
A) get() 
B) Sizeof() 
C) lengthof() 
D) length()

Question 9

Which of these is used as default for a member of a class if no access specifier is used for it?

Accepted Answer

A) private 
B) public 
C) public, within its own package 
D) protected 
A) private 
B) public 
C) public, within its own package 
D) protected

Question 10

Which of these classes is related to all the exceptions that cannot be caught?

Accepted Answer

A) Error 
B) Exception 
C) None of these 
D) a & b 
A) Error 
B) Exception 
C) None of these 
D) a & b

Question 11

Which of these method of class String is used to extract a single character from a String object?

Accepted Answer

A) CHARAT() 
B) chatat() 
C) charAt() 
D) ChatAt() 
A) CHARAT() 
B) chatat() 
C) charAt() 
D) ChatAt()

Question 12

Which of the following is correct way of importing an entire package 'pkg'?

Accepted Answer

A) import pkg. 
B) Import pkg. 
C) import pkg.* 
D) Import pkg.* 
A) import pkg. 
B) Import pkg. 
C) import pkg.* 
D) Import pkg.*

Question 13

A primitive data type can be passed as an argument into a method

Accepted Answer

A) By value 
B) by reference 
C) both a & b 
D) none of these 
A) By value 
B) by reference 
C) both a & b 
D) none of these

Question 14

Which of the following is incorrect statement about packages?

Accepted Answer

A) Package defines a namespace in which classes are stored. 
B) A package can contain other package within it. 
C) Java uses file system directories to store packages. 
D) A package can be renamed without renaming the directory in which the classes are stored. 
A) Package defines a namespace in which classes are stored. 
B) A package can contain other package within it. 
C) Java uses file system directories to store packages. 
D) A package can be renamed without renaming the directory in which the classes are stored.

Question 15

Which of the following is correct way of implementing an interface salary by class manager?

Accepted Answer

A) class Manager extends salary {} 
B) class Manager implements salary {} 
C) class Manager imports salary {} 
D) None of the mentioned 
A) class Manager extends salary {} 
B) class Manager implements salary {} 
C) class Manager imports salary {} 
D) None of the mentioned

Question 16

The code within the ----------- block will always be executed whether or not an exception is thrown.

Accepted Answer

A) try..catch 
B) finally 
C) throw 
D) throws 
A) try..catch 
B) finally 
C) throw 
D) throws

Question 17

Which of these is correct way of inheriting class A by class B?

Accepted Answer

A) class B + class A {} 
B) class B inherits class A {} 
C) class B extends A {} 
D) class B extends class A {} 
A) class B + class A {} 
B) class B inherits class A {} 
C) class B extends A {} 
D) class B extends class A {}

Question 18

Which of these keywords is used to manually throw an exception?

Accepted Answer

A) try 
B) finally 
C) throw 
D) catch 
A) try 
B) finally 
C) throw 
D) catch

Question 19

Which of the following are true about interfaces.

Accepted Answer

A) Methods declared in interfaces are implicitly private. 
B) Variables declared in interfaces are implicitly public, static, and final. 
C) An interface contains any number of method definitions. 
D) The keyword implements indicate that an interface inherits from another. 
A) Methods declared in interfaces are implicitly private. 
B) Variables declared in interfaces are implicitly public, static, and final. 
C) An interface contains any number of method definitions. 
D) The keyword implements indicate that an interface inherits from another.

Question 20

Which of these can be used to fully abstract a class from its implementation?

Accepted Answer

A) Objects 
B) Packages 
C) Interfaces 
D) None of the Mentione 
A) Objects 
B) Packages 
C) Interfaces 
D) None of the Mentione

Which of these access specifiers can be used for an interface?

The keyword used to create a package is

Which of these keywords is not a part of exception handling?

Which of this access specifies can be used for a class so that its objects can be created by a different class in another package?

Which of these keywords must be used to monitor for exceptions?

Which of these is a mechanism for naming and visibility control of a class and its content?

Which of these classes is related to all the exceptions that can be caught by using catch?

Which of these method of class String is used to obtain length of String object?

Which of these is used as default for a member of a class if no access specifier is used for it?

Which of these classes is related to all the exceptions that cannot be caught?

Which of these method of class String is used to extract a single character from a String object?

Which of the following is correct way of importing an entire package 'pkg'?

A primitive data type can be passed as an argument into a method

Which of the following is incorrect statement about packages?

Which of the following is correct way of implementing an interface salary by class manager?

The code within the ----------- block will always be executed whether or not an exception is thrown.

Which of these is correct way of inheriting class A by class B?

Which of these keywords is used to manually throw an exception?

Which of the following are true about interfaces.

Which of these can be used to fully abstract a class from its implementation?

Java Programming Language

Java Object-Oriented Programming

Java Exception Handling and Inputoutput Operations

Java Inputoutput and Event Handling

AWT Components and Layout Management in Java

Java Programming Concepts

Java Thread Class, Exception Handling, and Garbage Collection

Java Multithreading and Exception Handling

Java Programming Language: Inheritance, Interfaces, Packages, and Methods

Java Programming : JDBC API, Layout Managers, and Event Handling

Java RMI and Swing Framework

Java Programming: GUI, RMI, Polymorphism, and String Handling

Java Programming:methods, Data Types, Operators, and Classes

Java Programming : Event Handling, Exception Handling

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Exam 3: Java Programming: Data Types, Inheritance, Interfaces, Packages, and Exception Handling

Which of these access specifiers can be used for an interface?

The keyword used to create a package is

Which of these keywords is not a part of exception handling?

Which of this access specifies can be used for a class so that its objects can be created by a different class in another package?

Which of these keywords must be used to monitor for exceptions?

Which of these is a mechanism for naming and visibility control of a class and its content?

Which of these classes is related to all the exceptions that can be caught by using catch?

Which of these method of class String is used to obtain length of String object?

Which of these is used as default for a member of a class if no access specifier is used for it?

Which of these classes is related to all the exceptions that cannot be caught?

Which of these method of class String is used to extract a single character from a String object?

Which of the following is correct way of importing an entire package 'pkg'?

A primitive data type can be passed as an argument into a method

Which of the following is incorrect statement about packages?

Which of the following is correct way of implementing an interface salary by class manager?

The code within the ----------- block will always be executed whether or not an exception is thrown.

Which of these is correct way of inheriting class A by class B?

Which of these keywords is used to manually throw an exception?

Which of the following are true about interfaces.

Which of these can be used to fully abstract a class from its implementation?

Java Programming Language

Java Object-Oriented Programming

Java Exception Handling and Inputoutput Operations

Java Inputoutput and Event Handling

AWT Components and Layout Management in Java

Java Programming Concepts

Java Thread Class, Exception Handling, and Garbage Collection

Java Multithreading and Exception Handling

Java Programming Language: Inheritance, Interfaces, Packages, and Methods

Java Programming : JDBC API, Layout Managers, and Event Handling

Java RMI and Swing Framework

Java Programming: GUI, RMI, Polymorphism, and String Handling

Java Programming:methods, Data Types, Operators, and Classes

Java Programming : Event Handling, Exception Handling

Filters