Java Programming Beginner Quiz 1
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Beginner Quiz 1
1. What is Java?
A programming language
A type of coffee
A database
2. What is the correct file extension for Java source files?
.java
.js
.py
3. Which method is the entry point for a Java program?
main()
start()
run()
4. How do you write a single-line comment in Java?
// comment
# comment
-- comment
5. Which of these is a valid variable name in Java?
myVar
2ndVar
class
6. How do you assign the value 10 to an int variable x?
int x = 10;
x := 10;
let x = 10;
7. Which of these is a String in Java?
"hello"
123
true
8. How do you print "Hello World" to the console?
System.out.println("Hello World");
print("Hello World")
console.log("Hello World");
9. What is the output of System.out.println(2 + 3);?
5
23
2+3
10. Which operator is used for multiplication in Java?
*
x
^
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