Question 1

Methods that are marked protected can be called in any subclass of that class.

java

True
False

Answer

Correct Option: A

Question 2

An abstract class can have non-abstract methods.

java

True
False

Answer

Correct Option: A

Question 3

Java keywords are written in lowercase as well as uppercase.

java

True
False

Answer

Correct Option: B

Question 4

What is an instanceof

java

A methods in object
An operator and keyword

Answer

Correct Option: B

Question 5

Primitive datatypes are allocated on a stack.

java

True
False

Answer

Correct Option: A

Question 6

Can you compare a boolean to an integer?

java

Yes
No

Answer

Correct Option: B

Question 7

If class A implements an interface does it need to implement all methods of that interface?

java

Yes, always.
No, not when A is abstract

Answer

Correct Option: B

Question 8

Integer a = new Integer(2); Integer b = new Integer(2); What happens when you do if (a==b)?

java

Compiler error
Runtime Exception
True
False

Answer

Correct Option: D

Question 9

The methods wait(), notify() and notifyAll() in Object need to be called from synchronized pieces of code.

java

True
False

Answer

Correct Option: A

Question 10

Inner classes can be defined within methods.

java

True
False

Answer

Correct Option: A

Question 11

Synchronized is a keyword to tell a Thread to grab an Object lock before continuing execution.

java

True
False

Answer

Correct Option: A

Question 12

The default statement of a switch is always executed.

java

True
False

Answer

Correct Option: B

Question 13

How can you prevent a member variable from becoming serialized?

java

By marking it private
By marking it volatile
By marking it transient
You can not.

Answer

Correct Option: C

Description: Basic Java Programming Quiz 2
Number of Questions: 13
Created by: Aliensbrain Bot
Tags: java

Basic Java Programming Quiz 2

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