Java Quizzes, Questions & Answers

Recent Quizzes

This Java-focused quiz, titled 'Fresher Drive @ 27th September JAVA', tests knowledge on Java programming concepts including class structures, interfaces, inheritance, and control structures.

Questions: 21 | Attempts: 90 | Last updated: Dec 8, 2023

Sample Question
What will be the output?public class Test { static String a; static String b; public static void main(String ars[]){ System.out.print(a+b); }}

Null

Compile time error

Nullnull

0

Java (Core, Jsp, Spring, Jsf, Hibernate, Maven)

Java (Core, JSP, Spring, JSF, Hibernate, Maven)

This Java-focused quiz assesses knowledge across various frameworks and libraries such as Core, JSP, Spring, JSF, Hibernate, and Maven. It tests understanding of class structures, unique collection properties, and syntax...

Questions: 241 | Attempts: 185 | Last updated: Mar 21, 2023

Sample Question
¿Qué clase Colletion garantiza que no existan duplicados?

Java.util.Map

Java.util.List

Java.util.Collection

Ninguna de las anteriores

Data Types In Java! Trivia Questions Quiz

Data Types in Java! Trivia Questions Quiz

Below is a Data Types in Java Trivia Questions Quiz. There are two data types in java, and this is primitive and non-primitive. The main difference between the two is that one is already defined by java, and the programmer...

Questions: 10 | Attempts: 143 | Last updated: Mar 11, 2024

Sample Question
Groovy has a literal form for each of its numeric literals except BigDecimal.

True

False

Java Junior

It is created for Beginners in Java. This is to test the knowledge of any Java Developer wannabe.

Questions: 59 | Attempts: 10113 | Last updated: Jun 16, 2024

Sample Question
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

Java Quest Online Quiz

Java Quest Online Quiz assesses understanding in Java programming, covering topics like exception handling, class structures, and API usage. It evaluates key skills in Java, ideal for learners aiming to enhance their proficiency...

Questions: 10 | Attempts: 86 | Last updated: Oct 19, 2023

Sample Question
Which statement is true? (Choose all that apply)

The invocation of an object’s finalized method is always the last thing that happens before an object is garbage collected.

When a stack variable goes out of scope it is eligible for GC.

Some reference variables live on the stack, and some live on the heap.

Only objects that have no reference variables referring to them can be eligible for GC.

It’s possible to request the GC via methods in either java.lang.Runtime or java.lang.System classes.

Assessment Of Java Training

Assessment of Java Training

This quiz assesses knowledge in Java programming, focusing on interface definitions, array creation, inheritance, class subclassing, method declaration, and types of inheritance. It's designed for learners to validate their Java...

Questions: 50 | Attempts: 446 | Last updated: Mar 20, 2023

Sample Question
Which is the valid declarations within an interface definition?

Public double methoda();

Public final double methoda();

Static void methoda(double d1)

All

Jvm Architecture Questionnaire_27 June

JVM Architecture Questionnaire_27 June

The 'JVM Architecture Questionnaire_27 June' assesses knowledge on JVM's architecture, focusing on memory management, class structures, and thread sharing. It is ideal for learners aiming to deepen their understanding of Java's...

Questions: 10 | Attempts: 221 | Last updated: Mar 19, 2023

Sample Question
One word should be sufficient enough to hold –

Int

Long

ReturnAddress

All of above

20130423-invent Java Quiz #

20130423-Invent Java Quiz #

The 20130423-Invent Java Quiz assesses understanding of Java programming concepts including access modifiers, inheritance, data types, and class members. It is designed to test key skills in writing and understanding Java code,...

Questions: 10 | Attempts: 87 | Last updated: Nov 15, 2023

Sample Question
What is the difference between private and public functions ?

Public functions can be used by anyone, private can only be used by other code in the class you are writin

Public functions are the only ones you can download

Public functions are free, you have to buy private ones

Public functions can’t be used

Scjp 6.0 _ Java _ Level 1

SCJP 6.0 _ JAVA _ Level 1

This 'SCJP 6.0 _ JAVA _ Level 1' quiz assesses knowledge of Java programming fundamentals. Questions cover string manipulation, control structures, loop constructs, and variable declarations, providing a practical evaluation for...

Questions: 10 | Attempts: 494 | Last updated: Mar 20, 2023

Sample Question
Given: public class TestString1 { public static void main(String[] args) { String str = "420"; str += 42; System.out.print(str); } } What is the output?

42

420

462

42042

Compilation fails.

An exception is thrown at runtime.

Greenfoot Ch 1- 4

This quiz titled 'Greenfoot Ch 1-4' assesses foundational concepts in Java programming within the Greenfoot environment. It covers IDE usage, method signatures, constructors, compiling, and object-oriented principles such as...

Questions: 64 | Attempts: 1174 | Last updated: Mar 21, 2023

Sample Question
“Functions” are represented by Java methods whose returnType is not void.

True

False

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