Java Programming Beginner Quiz 4
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Beginner Quiz 4
1. What is the output of System.out.println("A" + 3);?
A3
AAA
Error
2. How do you print a blank line in Java?
System.out.println();
print()
Both are correct
3. How do you convert int x = 5 to a String?
String.valueOf(x)
x.toString()
str(x)
4. Which is a floating-point number in Java?
2.5
"2.5"
2
5. What does Integer.parseInt("7") return?
7
"7"
Error
6. How do you get the last item in an array arr?
arr[arr.length - 1]
arr.last()
arr[-1]
7. How do you remove an item from an ArrayList arr?
arr.remove(x)
arr.delete(x)
arr.erase(x)
8. How do you check if x is not equal to 10?
x != 10
x <> 10
x not 10
9. Which is a correct else statement in Java?
else { }
else:
else then
10. How do you import the Scanner class?
import java.util.Scanner;
include Scanner;
use Scanner;
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