Which of the following statements is/are incorrect for Java Collection Framework (JCF)? a. Vector is similar to. ArrayList, which represents a dynamic array b. Stack is a subclass of Vector that implements a standard last-in,first-out stack. c. Unlike HashMap, Hashtable doesn’t store Key/value pairs. d. Class Properties are used to maintain a list of values in which both key and value are String.

In the Java Collections Framework (JCF), the Properties class extends ________? a. HashMap b. Hashtable c. TreeMap d. HashSet

Which of the following Java Collections class is synchronized and thread-safe?a)java.util.LinkedListb)java.util.HashSetc)java.util.Vectord)java.util.ArrayList

The __________ is a collection that stores key-value pairs.a.)Arrayb.)HashMapc.)HashSetd.)ArrayList

Which of the following classes is part of the Java Collections Framework and implements the List interface? a. HashSet b. LinkedList c. TreeMap d. PriorityQueue

Which of the following is an interface provided by Java collection?a)priority queueb)vectorc)linked listd)sete)arraylist