Question Set

1. Which collection class allows you to access its elements by associating a key with an element's value, and provides synchronization?





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

  • By: guest on 02 Jun 2017 01.26 am
    Hashtable is the only class listed that provides synchronized methods. If you need synchronization great; otherwise, use HashMap, it's faster.
Show Similar Question And Answers
QA->Correct sentences among the following are: ) The tea is too hot that I cannot drink (2) Work hard, lest you should miss the chance (3) Unless you study well, you will fail (4) Unless you study well, you will pass....
QA->Average height of 10 students in a class is 150 cm. A boy of height 160 cm left the class and a boy of height 148 cm is admitted. Then what is the average height of the students in the class now?....
QA->There are 50 students in a class. In a class test 22 students get 25 marks each, 18 students get 30 marks each. Each of the remaining gets 16 marks. The average mark of the whole class is :....
QA->There are two divisions A and B of a class, consisting of 36 and 44 students respectively. If the average weight of divisions A is 40 kg and that of division b is 35 kg. What is the average weight of the whole class?....
QA->Who said ‘Happiness is when what you think; what you say; and what you do are in harmony’?....
MCQ->Which collection class allows you to access its elements by associating a key with an element's value, and provides synchronization?....
MCQ->Which of the following statements are correct about an ArrayList collection that implements the IEnumerable interface? The ArrayList class contains an inner class that implements the IEnumerator interface. An ArrayList Collection cannot be accessed simultaneously by different threads. The inner class of ArrayList can access ArrayList class's members. To access members of ArrayList from the inner class, it is necessary to pass ArrayList class's reference to it. Enumerator's of ArrayList Collection can manipulate the array.....
MCQ->Which of the following statements are correct about a HashTable collection? It is a keyed collection. It is a ordered collection. It is an indexed collection. It implements a IDictionaryEnumerator interface in its inner class. The key - value pairs present in a HashTable can be accessed using the Keys and Values properties of the inner class that implements the IDictionaryEnumerator interface.....
MCQ->Which of the following statements are correct about the Stack collection? It can be used for evaluation of expressions. All elements in the Stack collection can be accessed using an enumerator. It is used to maintain a FIFO list. All elements stored in a Stack collection must be of similar type. Top-most element of the Stack collection can be accessed using the Peek() method.....
MCQ->Which collection class allows you to associate its elements with key values, and allows you to retrieve objects in FIFO (first-in, first-out) sequence?....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution