Multiple choice

How many constructors are there of Vector class in Java Collections framework?

  1. 6

  2. 5

  3. 4

  4. 3

  5. 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. There are 4 constructors of Vector class, viz. Vector(): creates a default vector with initial capacity 10; Vector(c : collections): creates a vector from existing collection; Vector(initialcapacity int): creates a vector with specified initial capacity; and Vector(initialcapacity int,increment int): creates a vector with specified initial capacity and increment. So, this is the correct answer.

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