full stack quiz 15

Which of the below is not a Java Profiler?

• JVM

• JProfiler

• JConsole

• Eclipse Profiler

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

• try

• finally

• thrown

• catch

Which of these keywords must be used to handle the exception thrown by try block in some rational manner?

• try

• finally

• throw

• catch

What allows the programmer to destroy an object x?

• x.finalize()

• x.delete()

• Runtime.getRuntime().gc()

• Only the garbage collection system can destroy an object.

What is an access modifier in Java?

• An access modifier can hide or show a variable or method to outside classes.

• Access modifiers help in implementing the Encapsulation feature of Object-Oriented Programming (OOPs).

• An access modifier controls the visibility of variables, constants and methods of a class

• All the above

Which exception is thrown when java is out of memory?

• MemoryError

• MemoryOutOfBoundsException

• OutOfMemoryError

• MemoryFullException

Which are access modifiers below in Java?

• public

• private

• protected

• All the above

Which is the less restrictive access modifier in Java?

• public

• private

• protected

• default

Which of these is not abstract?

• Thread

• AbstractList

• List

• None of the Mentioned

Which of these packages contains abstract keyword?

• java.lang

• java.io

• java.system

• java.util