Top Java Quizzes & Trivia

Java is a computer programming language that is concurrent, class based and object oriented. Java applications are converted to bytecode that can run on any Java virtual machine. What do you know about this very prevalent programming language? Take our Java quizzes and find out! What does Java’s philosophy of WORA stand for? What company originally developed Java? What computer languages does Java derive its syntax from? When was Java first released?

What name did the Java project originally go by while in development? In what year was Java released as free and open-source software? What is the most recent version of Java? What does JRE stand for? What is Javadoc? What are the four editions of Java supported by the originating company? What popular smartphone operating system uses Java? What tools does the Java Development Kit include? If you are a programming language genius, or just want to learn more, take our Java quizzes!

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Advanced Java

Java Questions and Answers

How will you describe Java?

Programming Language

Platform

Both Programming Language and Platform

Abstract Machine

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Java Is Structured Programming Language.

True

False

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Which of the following are legal identifiers in Java?

1abc

abc_1

oneAbc

final

$while

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Object-Oriented Programming means ...

Being objective about what you develop

Designing the application based on the objects discovered when analysing the problem

Writing an algorithm before writing your program and having a test plan

Writing a program composed of Java classes

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

is accessible publicly

is only accessible by other classes of the same package

is only accessible from within the class

is accessible by the class and its subclasses

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Which one is not correct?

A class needs to be instantiated as an object before being used

An objects exists in memory in run time

Class and object are just different names for the same thing

An object is a variable, where its type is the class used to declare the variable

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Driver types are used to categorize the technology used to connect to the database.

True

False

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This is an Application Programming Interface provided by Microsoft for access the database.It uses SQL as its database language.

JDBC

ODBC

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JDBC is ODBC translated into an object-oriented interface that is natural for java programmiers.

True

False

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Consider the following code: Line no 1:class Outer{ Line no 2:public static class Inner{ Line no 3:} Line no 4:public static void display(){ } } Line no 5:public class Test Line no 6:{ Line no 7:public static void main(String args[]) Line no 8:{ Line no 9://Replace with code from the option below Line no 10:}} Which of the following option when replaced at line no 9,instantiates an instance of the nested class?

Outer o = new Outer(); Outer.Inner oi = o.new Outer.Inner();

Outer.Inner o = new Outer.Inner();

Outer.Inner oi = new Inner();

Inner oi = new Outer.Inner();

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Which of the following are correct regarding method overriding?(Choose 2)

Same name same signature

Same name different signature

Both the methods must be in the same class

Both the methods must not be in the same class

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Which of the following statement is true regarding method overloading?

Static methods cannot be overloaded

Overloaded methods should always return same type of value

Overloaded methods cannot be declared as abstract

Methods can be overloaded across inherited classes

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