Java Programming Quiz 2
Authored by Zohaib Hasan
Engineering
Professional Development
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct file extension for a Java source file?
.class
.java
.exe
.jar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about writing Java code?
Java is case-insensitive
Class names must match the filename
Java allows multiple public classes in a single file
A Java program must have a function named run()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct naming convention for Java class names?
camelCase
UPPERCASE
PascalCase
snake_case
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the correct main method declaration in Java?
public static void Main(String args[])
static public void main(String[] args)
public void static main(String args)
public static void main()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a valid identifier in Java?
_myVariable
$myVar
123abc
myVar123
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement about Java identifiers is correct?
Identifiers can start with a digit
Identifiers can use special symbols like @ and #
Identifiers are case-sensitive
Java has a predefined list of identifiers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the size of int in Java?
2 bytes
4 bytes
8 bytes
Depends on the system
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