Collections Framework In Java - Study Mode

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[#101] Which of these classes is not part of Java's collection framework?

(A) Maps

(B) Array

(C) Stack

(D) Queue

Correct Answer

(A) Maps

[#102] Which of these are legacy classes?

(A) Stack

(B) Hashtable

(C) Vector

(D) All of the mentioned

Correct Answer

(D) All of the mentioned

[#103] Which of these class can generate an array which can increase and decrease in size automatically?

(A) ArrayList()

(B) DynamicList()

(C) LinkedList()

(D) MallocList()

Correct Answer

(A) ArrayList()

[#104] What are the initial capacity and load factor of HashSet?

(A) 10, 1.0

(B) 32, 0.75

(C) 16, 0.75

(D) 32, 1.0

Correct Answer

(C) 16, 0.75

[#105] Do we have get(Object o) method in HashSet.

(A) True

(B) False

Correct Answer

(B) False