SpectroCoin BE
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
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
0
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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