quiz3.txt

,Generally

,A. Arrays are better than ArrayList
,B. ArrayLists are better than Arrays
,C. Depends on the circumstances
,D. B but also C
,E. Neither
,D
,4

,Code:
ArrayList <String> myArray = new ArrayList<String>();

myArray.size() returns:

,A. 0
,B. 1
,C. 2
,D. 3
,E. 4
,A
,2

,String is:

,A. An object
,B. A primitive
,C. An array of chars
,D. A and C
,E. None of these
,A
,4

,Code:
String[] newArray = null;
newArray[0] = "code";

Why does this compile but printing newArray[0] doesn't work?

,A. Wrong array name
,B. That cell is already filled
,C. That cell doesn't exist
,D. The array doesn't exist but it used to
,E. The array doesn't exist but the reference to it does
,E
,6

,Code:
String myString = "water";
System.out.println(myString.length());

,A. 5
,B. 6
,C. 4
,D. Nothing
,E. 10
,A
,4

,Why is it myArray.length but myArrayList.size()?

,A. length is private and its ArrayList equivalent is public
,B. length is private and its ArrayList equivalent is private
,C. length is public and its ArrayList equivalent is public
,D. length is public and its ArrayList equivalent is private
,E. Java programmers are inconsistent.
,D
,6

,Code:
System.out.println();
What are valid things to put in the brackets?
,A. A string
,B. A string surrounded by quotation marks
,C. A succession of string concatenated with plus signs
,D. An array
,E. B and C
,E
,4

,What do int byte char long have in common?
,A. They are all primitive types
,B. They all hold one value.
,C. They are not objects
,D. All of the above
,E. None of these
,D
,2

,Advantage of ArrayList over arrays?
,A. Useful if you don't know the number of elements
,B. Resizes automatically
,C. Easier to track content
,D. A B & C
,E. None; arrays are always superior
,D
,4

,Who invented Java?
,A. Linus Torvalds
,B. Steve Jobs
,C. Bill Gates
,D. James Gosling
,E. Charles Babbage
,D
,2

,Code:
System.out.println(one fish two fish red fish blue fish);
What does this print:
,A. one fish two fish red fish blue fish
,B. one two red blue
,C. Nothing
,D. Doesn't compile
,E. None of these
,D
,6