Java Programming Beginner Quiz 2
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Beginner Quiz 2
1. What does the Scanner class do?
Reads user input
Prints output
Sorts arrays
2. How do you create an array of 5 integers?
int[] arr = new int[5];
int arr = [5];
array arr = 5;
3. Which is a boolean value in Java?
true
"true"
1
4. How do you check if x equals 5?
x == 5
x = 5
x === 5
5. Which is a correct if statement in Java?
if (x > 2) { }
if x > 2 then
if x > 2:
6. What does length return for a String s?
s.length()
length(s)
s.len()
7. How do you define a method in Java?
void myMethod() { }
def myMethod():
function myMethod()
8. Which is a correct "while loop" in Java?
while (x < 5) { }
while x < 5:
while (x < 5) do
9. How do you add 1 to a variable x?
x = x + 1;
x += 1;
Both are correct
10. Which of these declares an array of 3 Strings?
String[] arr = new String[3];
[String] arr = 3;
String arr(3);
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