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Java Quiz

24 terms·StudBud Administration·11 plays

Test your knowledge on Java programming with this engaging quiz. Explore questions about Java's history, syntax, and key concepts.

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Questions 24

Answers

1
Which concept is not part of Java?
Slicing
Polymorphism
Inheritance
Encapsulation
2
Which is not a Java data type?
float
byte
int
document
3
What is the extension of a Java file?
.jav
.jp
.jv
.java
4
True or false: Java uses pointers like C/C++
False
True
5
Which method is called when JVM starts?
start()
run()
main()
init()
6
Which is not a loop structure in Java?
repeat-until
do-while
while
for
7
Which keyword is used for inheritance in Java?
extends
inherits
subclass
super
8
True or false: JVM is a hardware component
True
False
9
True or false: Java is platform-independent
True
False
10
What year was Java released?
2000
1985
1995
1990
11
Which is not a Java IDE?
IntelliJ IDEA
Photoshop
NetBeans
Eclipse
12
Which one is a Java framework?
Vue
Angular
React
Spring
13
Which is a Java primitive type?
char
String
Array
Object
14
Which garbage collector is used in JVM?
Reference Counting
Defragmentation
G1
Mark-Sweep
15
What does 'public' keyword in Java define?
Function value
Class name
Access modifier
Variable type
16
What does JVM stand for?
Just Virtual Memory
Jumpstart Virtual Mode
Java Verified Method
Java Virtual Machine
17
True or false: Java supports multiple inheritance
True
False
18
True or false: Java is a procedural language
False
True
19
Which company initially developed Java?
IBM
Apple
Sun Microsystems
Microsoft
20
True or false: Java supports operator overloading
False
True
21
What is bytecode in Java?
Intermediate code
Encoded data
Machine code
Source code
22
What is an exception in Java?
Variable type
Class type
Disruptive event
Error in code
23
What does 'static' keyword in Java indicate?
Changing variable
Constant variable
Class method
Variable type
24
What is the default size of int in Java?
8 bits
16 bits
64 bits
32 bits