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SpectroCoin BE

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Java Fundamentals Quiz

Test your knowledge of Java programming concepts with our engaging quiz! Perfect for learners looking to challenge themselves, this quiz covers essential Java topics including object creation, data types, and visibility modifiers.

Join now and see how well you understand Java! Here are some features of our quiz:

10 thought-provoking questions
Instant feedback on your answers
Improve your coding skills

10 Questions2 MinutesCreated by CodingKnight231

How can you prevent a member variable from becoming serialized?

By making it private

By making it transient

You can not

By marking it volatile

Choose the appropiate data type for this field: weightInKilos

Char

Boolean

Double

String

What is the keyword used in java to create an object?

Sync

New()

This

New

A class cannot be declared:

Private

Default

Static

If none of the private/protected/public is specified for a member, that member...

Is accessible publicly

Is only accessible from within the class

Is accessible by the class and its subclasses

Is only accessible by other classes of the same package

Last value in array can be fount at index:

Ar.length

Ar.length - 1

-1

Where can java be run

Windows

Mac

Unix/Linux

All of the above

What is the correct way to create an object called myObj of MyClass?

MyClass myObj = new MyClass();

Class myObj = new MyClass();

New myObj = MyClass();

Class MyClass = new myObj();

How do you insert COMMENTS in Java code?

/* This is a comment

// This is a comment

# This is a comment

# This is a comment #

What is a correct syntax to output "Hello World" in Java?

Echo("Hello World");

Print ("Hello World");

Console.WriteLine("Hello World");

System.out.println("Hello World");

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