JAVA-Day4

try

throw

catch

All of the above

It executes only when an exception occurs.

It executes only if no exception occurs.

It always executes, regardless of exceptions.

It throws exceptions to the calling method.

throw

throws

catch

try

HashSet

TreeSet

LinkedList

HashMap

List

ArrayList

HashSet

LinkedList

TreeSet

HashSet

ArrayList

LinkedList

TreeMap

HashMap

LinkedHashMap

SortedMap

HashMap

TreeMap

HashSet

Both A and C

O(1)

O(log n)

O(n)

O(n^2)

HashSet maintains order, TreeSet does not

TreeSet allows duplicates, HashSet does not

HashSet is faster, TreeSet maintains a sorted order

HashSet uses a tree structure, TreeSet uses hashing