Question 1

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. D

Question 2

Which of these methods are used to register a keyboard event listener?

Accepted Answer

A) KeyListener() 
B) addKistener() 
C) addKeyListener() 
D) eventKeyboardListener() 
A) KeyListener() 
B) addKistener() 
C) addKeyListener() 
D) eventKeyboardListener() C

Question 3

Which command disassembles a class file

Accepted Answer

A) javaamd 
B) javacmd 
C) java 
D) javap 
A) javaamd 
B) javacmd 
C) java 
D) javap D

Question 4

In which package is the class Vector located?

Accepted Answer

A) java.io 
B) java.lang 
C) java.util 
D) java.text 
A) java.io 
B) java.lang 
C) java.util 
D) java.text

Question 5

What is a listener in context to event handling?

Accepted Answer

A) A listener is a variable that is notified when an event occurs. 
B) A listener is a object that is notified when an event occurs. 
C) A listener is a method that is notified when an event occurs. 
D) None of the mentioned 
A) A listener is a variable that is notified when an event occurs. 
B) A listener is a object that is notified when an event occurs. 
C) A listener is a method that is notified when an event occurs. 
D) None of the mentioned

Question 6

Which method in Thread class is used to check weather a thread is still running?

Accepted Answer

A) isAlive() 
B) Join() 
C) isRunning() 
D) Alive() 
A) isAlive() 
B) Join() 
C) isRunning() 
D) Alive()

Question 7

Which of these class contains the methods print() & println()?

Accepted Answer

A) System 
B) System.out 
C) BufferedOutputStream 
D) PrintStream 
A) System 
B) System.out 
C) BufferedOutputStream 
D) PrintStream

Question 8

To design a general-purpose search method, searchList, to search a list, which of the following must be parameters of the method searchList?
(i) The array containing the list.
(ii) The length of the list.
(iii) The search item.
(iv) A boolean variable indicating whether the search is successful.

Accepted Answer

A) (i) and (ii) 
B) (i), (ii), and (iii) 
C) (ii), (iii), and (iv) 
D) (i), (ii), (iii), and (iv) 
A) (i) and (ii) 
B) (i), (ii), and (iii) 
C) (ii), (iii), and (iv) 
D) (i), (ii), (iii), and (iv)

Question 9

Which of these methods are used to register a mouse motion listener?

Accepted Answer

A) addMouse() 
B) addMouseListener() 
C) addMouseMotionListner() 
D) eventMouseMotionListener() 
A) addMouse() 
B) addMouseListener() 
C) addMouseMotionListner() 
D) eventMouseMotionListener()

Question 10

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 11

Which of the following statements is false as far as different type of statements is concern in JDBC?

Accepted Answer

A) Regular Statement 
B) Prepared Statement 
C) Callable Statement 
D) Interim Statement 
A) Regular Statement 
B) Prepared Statement 
C) Callable Statement 
D) Interim Statement

Question 12

Consider the following list. int[] intList = {35, 12, 27, 18, 45, 16, 38}; What is the minimum number of comparisons that have to be made to find 18 using a sequential search on intList?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 13

Which exception is thrown by read() method?

Accepted Answer

A) IOException 
B) InterruptedException 
C) SystemException 
D) SystemInputException 
A) IOException 
B) InterruptedException 
C) SystemException 
D) SystemInputException

Question 14

What is an event in delegation event model used by Java programming language?

Accepted Answer

A) An event is an object that describes a state change in a source. 
B) An event is an object that describes a state change in processing. 
C) An event is an object that describes any change by the user and system. 
D) An event is a class used for defining object, to create events. 
A) An event is an object that describes a state change in a source. 
B) An event is an object that describes a state change in processing. 
C) An event is an object that describes any change by the user and system. 
D) An event is a class used for defining object, to create events.

Question 15

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 16

Which of these packages contains all the classes and methods required for even handling in Java?

Accepted Answer

A) java.applet 
B) java.awt 
C) java.event 
D) java.awt.event 
A) java.applet 
B) java.awt 
C) java.event 
D) java.awt.event

Question 17

For the interface WindowListener that contains more than one method, Java provides the class ____.

Accepted Answer

A) MouseAdapter 
B) WindowAdapter 
C) KeyListener 
D) KeyAdapter 
A) MouseAdapter 
B) WindowAdapter 
C) KeyListener 
D) KeyAdapter

Question 18

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 {}

Which of the following is incorrect statement about packages?

Which of these methods are used to register a keyboard event listener?

Which command disassembles a class file

In which package is the class Vector located?

What is a listener in context to event handling?

Which method in Thread class is used to check weather a thread is still running?

Which of these class contains the methods print() & println()?

To design a general-purpose search method, searchList, to search a list, which of the following must be parameters of the method searchList? (i) The array containing the list. (ii) The length of the list. (iii) The search item. (iv) A boolean variable indicating whether the search is successful.

Which of these methods are used to register a mouse motion listener?

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

Which of the following statements is false as far as different type of statements is concern in JDBC?

Consider the following list. int[] intList = {35, 12, 27, 18, 45, 16, 38}; What is the minimum number of comparisons that have to be made to find 18 using a sequential search on intList?

Which exception is thrown by read() method?

What is an event in delegation event model used by Java programming language?

Which of the following are true about interfaces.

Which of these packages contains all the classes and methods required for even handling in Java?

For the interface WindowListener that contains more than one method, Java provides the class ____.

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

Java Programming Language

Java Object-Oriented Programming

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

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

Which of the following is incorrect statement about packages?

Which of these methods are used to register a keyboard event listener?

Which command disassembles a class file

In which package is the class Vector located?

What is a listener in context to event handling?

Which method in Thread class is used to check weather a thread is still running?

Which of these class contains the methods print() & println()?

To design a general-purpose search method, searchList, to search a list, which of the following must be parameters of the method searchList? (i) The array containing the list. (ii) The length of the list. (iii) The search item. (iv) A boolean variable indicating whether the search is successful.

Which of these methods are used to register a mouse motion listener?

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

Which of the following statements is false as far as different type of statements is concern in JDBC?

Consider the following list. int[] intList = {35, 12, 27, 18, 45, 16, 38}; What is the minimum number of comparisons that have to be made to find 18 using a sequential search on intList?

Which exception is thrown by read() method?

What is an event in delegation event model used by Java programming language?

Which of the following are true about interfaces.

Which of these packages contains all the classes and methods required for even handling in Java?

For the interface WindowListener that contains more than one method, Java provides the class ____.

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

Java Programming Language

Java Object-Oriented Programming

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

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 : 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