✦ Scientech Easy
Java Fundamentals Quiz Test
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20
Questions
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10 min
Time Limit
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4
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70%
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✦ Scientech Easy
Java Fundamentals Quiz Test
20 Qs
Every statement in Java must end with a semicolon (;).
Q 1
1 / 20
0s
Which symbol is used to terminate a statement in Java?
,
:
.
;
Java is a high-level, object-oriented programming language designed to be platform-independent and secure.
Q 2
2 / 20
0s
What is Java primarily known as in the world of programming?
A high-level, object-oriented programming language
An operating system
A database management system
A web browser
The class keyword is used to define a blueprint for objects in Java.
Q 3
3 / 20
0s
Which keyword is used in Java to declare a class?
class
structure
define
object
The main() method is the starting point where the Java Virtual Machine (JVM) begins program execution.
Q 4
4 / 20
0s
Which method serves as the entry point for execution in a Java program?
main()
execute()
start()
run()
Java strictly enforces type rules, making it strongly typed.
Q 5
5 / 20
0s
Java is considered which type of language based on type checking?
Strongly typed
Weakly typed
Loosely typed
Dynamically typed
Java was developed by Sun Microsystems in 1995, which was later acquired by Oracle Corporation.
Q 6
6 / 20
0s
Which company originally developed Java programming language?
Sun Microsystems
Apple
IBM
Microsoft
The final keyword makes a variable constant.
Q 7
7 / 20
0s
Which keyword is used to declare a constant variable in Java?
const
fixed
final
static
The int data type in Java always occupies 4 bytes (32 bits), regardless of the platform.
Q 8
8 / 20
0s
What is the size of the int data type in Java?
2 bytes
4 bytes
8 bytes
Platform-dependent
The + operator is used to perform addition of numeric values.
Q 9
9 / 20
0s
Which operator is used to perform addition in Java?
Addition (+)
Modulus (%)
Division (/)
Multiplication (*)
The default value of a boolean variable in Java is false.
Q 10
10 / 20
0s
What is the default value of a boolean variable in Java?
null
false
true
0
Both if and switch statements are used for decision-making.
Q 11
11 / 20
0s
Which of the following statements is used for decision-making in Java?
loop
switch
if
Both B and C
The extends keyword allows one class to inherit properties from another class.
Q 12
12 / 20
0s
Which keyword is used to achieve inheritance in Java?
super
inherit
implements
extends
The continue statement skips the current iteration and moves to the next one.
Q 13
13 / 20
0s
Which keyword is used to skip the current iteration of a loop?
skip
break
pass
continue
Variable names cannot start with digits and must be properly initialized or declared.
Q 14
14 / 20
0s
Which of the following is a valid variable declaration in Java?
int num;
int;
int 1num;
int num = ;
Multi-line comments in Java are written using /* … */.
Q 15
15 / 20
0s
Which type of comment is used for multiple lines in Java?
/* comment
// comment
/* comment */
## comment
The JVM interprets or compiles bytecode into machine-level instructions.
Q 16
16 / 20
0s
Which component is responsible for converting Java bytecode into machine code?
JVM
JDK
Compiler
JRE
Java programs are compiled into bytecode, which is executed by the JVM, making them platform-independent.
Q 17
17 / 20
0s
Why is Java considered a platform-independent language?
It runs on the Java Virtual Machine (JVM).
It uses machine code directly.
It does not require compilation.
It is only used on Windows.
The new keyword is used to allocate memory and create an object of a class.
Q 18
18 / 20
0s
Which keyword is used to create an object in Java?
new
make
object
create
String is a class in Java, whereas int, float, and char are primitive data types.
Q 19
19 / 20
0s
Which of the following is not considered a primitive data type in Java?
int
char
float
String
The break statement exits the loop immediately.
Q 20
20 / 20
0s
Which keyword is used to terminate a loop immediately?
exit
break
stop
return
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Java Fundamentals Quiz Test
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