Java Programming Beginner Quiz 3
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Beginner Quiz 3
1. What is the index of the first item in an array?
0
1
-1
2. How do you access the second item in array a?
a[1]
a(2)
a{2}
3. How do you create a class named Dog?
class Dog { }
Dog = class { }
def class Dog:
4. Which method gets the length of an array arr?
arr.length
length(arr)
arr.size()
5. How do you concatenate two Strings a and b?
a + b
concat(a, b)
a & b
6. Which is a correct "for loop" in Java?
for (int i = 0; i < 5; i++) { }
for i in range(5):
for i = 1 to 5
7. How do you check if 3 is in array a?
Use a loop to check each item
a.contains(3)
3 in a
8. How do you get the length of a String s?
s.length()
length(s)
s.size()
9. Which is a correct way to end a method?
return;
end
stop
10. How do you get input from a user and save it to name?
Scanner sc = new Scanner(System.in); String name = sc.nextLine();
input(name)
get(name)
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