Java

What is the process of defining a method in a subclass having same name & type signature as a method in its superclass?

• Method overloading
  

• Method overriding

• Method hiding

• None of the mentioned

Which of these keywords can be used to prevent Method overriding?

• static

• constant

• protected

• final

Which of these is supported by method overriding in Java?

• Abstraction

• Encapsulation

• Polymorphism

• None of the mentioned

What is multithreaded programming?

• It’s a process in which two different processes run simultaneously

• It’s a process in which two or more parts of same process run simultaneously

• It’s a process in which many different process are able to access same information

• It’s a process in which a single process can access information from many sources

Which of these statements is incorrect?

• By multithreading CPU idle time is minimized, and we can take maximum use of it

• By multitasking CPU idle time is minimized, and we can take maximum use of it

• Two thread in Java can have the same priority

• A thread can exist only in two states, running and blocked

Which of these method is used to implement Runnable interface?

• stop()

• run()

• runThread()

• stopThread()

Which of these method is used to begin the execution of a thread?

• run()

• start()

• runThread()

• startThread()

Which of these statement is incorrect?

• A thread can be formed by implementing Runnable interface only

• A thread can be formed by a class that extends Thread class

• start() method is used to begin execution of the thread

• run() method is used to begin execution of a thread before start() method in special cases

What will be the output of the following Java code?

1. 
   

• My Thread

• Thread[My Thread,5,main]

• Compilation Error

• Runtime Error

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

• try

• finally

• thrown

• catch