Java Programming Intermediate Quiz 4

clear() removeAll() deleteAll()

-1 0 1

LinkedHashMap HashMap TreeMap

Use synchronized keyword Use static keyword Use volatile keyword

1 3 0

Thread.currentThread() Thread.getCurrent() Thread.now()

int[][] arr = new int[3][4]; int arr[3][4]; int arr = int[3][4];

ObjectOutputStream FileOutputStream DataOutputStream

Prevents a variable from being serialized Makes a variable static Allows a variable to change type

StringBuilder String StringBuffer