
Java syntax
Quiz
•
Computers
•
University
•
Practice Problem
•
Medium
Prof Yetty
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86 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the correct file extension for a Java program?
Answer explanation
Java files are saved with a .java extension.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which keyword is used to declare a variable?
Answer explanation
In Java, 'int' is used for integer variables.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What does the 'public' keyword signify in Java?
Answer explanation
public' allows access from any class in the program.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How do you print text to the console in Java?
Answer explanation
System.out.println() is the correct way to print to the console in Java.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What happens if a local int variable is used without initialization?
Answer explanation
"Local variables in Java must be explicitly initialized before use, as they do not have default values. Attempting to use an uninitialized local variable results in a compilation error.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What symbol is used to end a Java statement?
Answer explanation
Java statements end with a semicolon (;).
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Which of the following are valid Java data types?
Answer explanation
Java supports int, float, and boolean as valid data types.
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