Tutorials
PPTs
Lecture Notes
Objective Questions
Lab ProgramsObjective Type Questions & Answers
Object Oriented Programming through Java MCQs - Unit-3
1. When does Exceptions in Java arises in code sequence?
A . Run Time
B . Compilation Time
C . Can Occur Any Time
D . None of the mentioned
2. Which of these keywords is not a part of exception handling?
A . try
B . finally
C . thrown
D . catch
3. Which of these keywords must be used to monitor for exceptions?
A . try
B . finally
C . throw
D . catch
4. Which of these keywords must be used to handle the exception thrown by try block in some rational manner?
A . try
B . finally
C . throw
D . catch
5. Which of these keywords is used to manually throw an exception?
A . try
B . finally
C . throw
D . catch
6. When does Exceptions in Java arises in code sequence?
A . Run Time
B . Compilation Time
C . Can Occur Any Time
D . None of the mentioned
7. Which of these keywords is not a part of exception handling?
A . try
B . finally
C . thrown
D . catch
8. Which of these keywords must be used to monitor for exceptions?
A . try
B . finally
C . throw
D . catch
9. Which of these keywords must be used to handle the exception thrown by try block in some rational manner?
A . try
B . finally
C . throw
D . catch
10. Which of these is a super class of all errors and exceptions in the Java language?
A . Catchable
B . Throwable
C . RunTimeExceptions
D . None of the above
11. In which of the following package Exception class exist?
A . java.file
B . java.lang
C . java.io
D . java.util
12. Which exception is thrown when divide by zero statement executes?
A . NumberFormatException
B . NullPointerException
C . ArithmeticException
D . None of these
13. What is multithreaded programming?
A . It`s a process in which two different processes run simultaneously
B . It`s a process in which two or more parts of same process run simultaneously
C . It`s a process in which many different process are able to access same information
D . It`s a process in which a single process can access information from many sources
14. Which of these are types of multitasking?
A . Process based
B . Thread based
C . Process and Thread based
D . None of the mentioned
15. Thread priority in Java is?
A . Integer
B . Float
C . double
D . long
16. What will happen if two thread of the same priority are called to be processed simultaneously?
A . Anyone will be executed first lexographically
B . Both of them will be executed simultaneously
C . None of them will be executed
D . It is dependent on the operating system
17. Which of these statements is incorrect?
A . By multithreading CPU idle time is minimized, and we can take maximum use of it
B . By multitasking CPU idle time is minimized, and we can take maximum use of it
C . Two thread in Java can have the same priority
D . A thread can exist only in two states, running and blocked
18. Which of these keywords are used to implement synchronization?
A . synchronize
B . syn
C . synch
D . synchronized
19. Which of this method is used to avoid polling in Java?
A . wait()
B . notify()
C . notifyAll()
D . all of the mentioned
20. Which of these method is used to tell the calling thread to give up a monitor and go to sleep until some other thread enters the same monitor?
A . wait()
B . notify()
C . notifyAll()
D . sleep()
21. Which of these method wakes up the first thread that called wait()?
A . wake()
B . notify()
C . start()
D . notifyAll()
22. Which of these method wakes up all the threads?
A . wakeAll()
B . notify()
C . start()
D . notifyAll()
23. What is synchronization in reference to a thread?
A . It`s a process of handling situations when two or more threads need access to a shared resource
B . It`s a process by which many thread are able to access same shared resource simultaneously
C . It`s a process by which a method is able to access many different threads simultaneously
D . It`s a method that allow too many threads to access any information the require
24. Which of these keywords are used to implement synchronization?
A . synchronize
B . syn
C . synch
D . synchronized
25. Which of these method is used to tell the calling thread to give up a monitor and go to sleep until some other thread enters the same monitor?
A . wait()
B . notify()
C . notifyAll()
D . sleep()
26. How can synchronization be achieved in Java threads?
A . Using the synchronized keyword.
B . Using the volatile keyword.
C . Using the final keyword.
D . Using the static keyword.
27. What is a thread in Java?
A . A lightweight process that executes a sequence of instructions.
B . A memory allocation unit in Java.
C . A Java keyword to define a loop construct.
D . A data structure to store multiple values.
28. Which class is used to create a thread in Java?
A . Thread
B . Runnable
C . Process
D . Executor
29. What is the purpose of the wait() method in Java threads?
A . To pause the execution of a thread.
B . To terminate a thread.
C . To notify other threads to resume execution.
D . To release the lock held by the thread.
30. Which method is used to start the execution of a thread?
A . execute()
B . run()
C . start()
D . begin()
Relevant Materials :
☞ Object Oriented Programming through Java MCQs - Unit-1 - [ OOP_JAVA ]
☞ Object Oriented Programming through Java MCQs - Unit-2 - [ OOP_JAVA ]
☞ Object Oriented Programming through Java MCQs - Unit-3 - [ OOP_JAVA ]
☞ Object Oriented Programming through Java MCQs - Unit-4 - [ OOP_JAVA ]
☞ Object Oriented Programming through Java MCQs - Unit-5 - [ OOP_JAVA ]
Similar Materials :
☞ R - Programming MCQs - Unit-1 - [ R-Programming ]
☞ R - Programming MCQs - Unit-2 - [ R-Programming ]
☞ R - Programming MCQs - Unit-3 - [ R-Programming ]
☞ R - Programming MCQs - Unit-4 - [ R-Programming ]
☞ R - Programming MCQs - Unit-5 - [ R-Programming ]
☞ Formal Languages and Automata Theory (FLAT) MCQs - Unit-1 - [ FLAT ]
☞ Formal Languages and Automata Theory (FLAT) MCQs - Unit-2 - [ FLAT ]
☞ Formal Languages and Automata Theory (FLAT) MCQs - Unit-3 - [ FLAT ]
☞ Formal Languages and Automata Theory (FLAT) MCQs - Unit-4 - [ FLAT ]
☞ Formal Languages and Automata Theory (FLAT) MCQs - Unit-5 - [ FLAT ]
☞ PPS MCQs - Unit-1 - [ PPS ]
☞ PPS MCQs - Unit-2 - [ PPS ]
☞ PPS MCQs - Unit-3 - [ PPS ]
☞ PPS MCQs - Unit-4 - [ PPS ]
☞ PPS MCQs - Unit-5 - [ PPS ]
☞ Design and Analysis of Algorithms MCQs - Unit-1 - [ DAA ]
☞ Design and Analysis of Algorithms MCQs - Unit-2 - [ DAA ]
☞ Design and Analysis of Algorithms MCQs - Unit-3 - [ DAA ]
☞ Design and Analysis of Algorithms MCQs - Unit-4 - [ DAA ]
☞ Design and Analysis of Algorithms MCQs - Unit-5 - [ DAA ]
☞ Software Engineering MCQs - Unit-1 - [ SE ]
☞ Software Engineering MCQs - Unit-2 - [ SE ]
☞ Software Engineering MCQs - Unit-3 - [ SE ]
☞ Software Engineering MCQs - Unit-4 - [ SE ]
☞ Software Engineering MCQs - Unit-5 - [ SE ]
☞ Data Mining MCQs - Unit-1 - [ DM ]
☞ Data Mining MCQs - Unit-2 - [ DM ]
☞ Data Mining MCQs - Unit-3 - [ DM ]
☞ Data Mining MCQs - Unit-4 - [ DM ]
☞ Data Mining MCQs - Unit-5 - [ DM ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-1 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-2 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-3 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-4 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-5 - [ COA ]
☞ Data Structures Objective Type Question Bank-Unit-1 - [ DS ]
☞ Data Structures Objective Type Question Bank-Unit-2 - [ DS ]
☞ Data Structures Objective Type Question Bank-Unit-3 - [ DS ]
☞ Data Structures Objective Type Question Bank-Unit-4 - [ DS ]
☞ Data Structures Objective Type Question Bank-Unit-5 - [ DS ]
☞ Database Management System Objective Type Question Bank-Unit-1 - [ DBMS ]
☞ Database Management System Objective Type Question Bank-Unit-2 - [ DBMS ]
☞ Database Management System Objective Type Question Bank-Unit-3 - [ DBMS ]
☞ Database Management System Objective Type Question Bank-Unit-4 - [ DBMS ]
☞ Database Management System Objective Type Question Bank-Unit-5 - [ DBMS ]
☞ Cyber Forensics Objective Type Question Bank-Part-2 - [ Cyber Forensics ]
☞ Cyber Forensics Objective Type Question Bank-Part-1 - [ Cyber Forensics ]
☞ Java Programming Objective Type Question Bank - [ Java Programming ]
☞ Java Programming Objective Type Questions-Part-1 - [ Java Programming ]
☞ Java Programming Objective Type Questions-Part-2 - [ Java Programming ]