Java Collectionsis one of the most important areas where you will be tested in junior or senior positions. The scope of questions is so broad that it is almost impossible to cover all the questions. Yet based on my previous interviews, I am attempting to put as many as possible goodintervi...
Collections are used in every programming language and initial java release contained few classes for collections: Vector, Stack, Hashtable, Array. But looking at the larger scope and usage, Java 1.2 came up with Collections Framework that group all the collections interfaces, implementations and alg...
But, we want to check the equality of employee object on the basis of salary. Then, we need to override the equals() method.16) How to synchronize List, Set and Map elements?Yes, Collections class provides methods to make List, Set or Map elements as synchronized:...
reference from:http://www.programcreek.com/2013/09/top-10-questions-for-java-collections/ The following are the most popular questions of Java collections asked and discussed on Stackoverflow. Before you look at those questions, it's a good idea to see theclass hierarchy diagram. 1. When to...
3.Java Collections Interview Questions and Answers Collections are core components of Java programming language. They are widely used in interview questions. The post contains 40+ questions on java collections to make sure all the topics are covered. I also recommend you to readjava collectionstutori...
12 Why java is not pure object oriented language 13 What is the difference between abstract class and interface 14 What are marker interfaces 15 What are collections in Java? 16 What are the differences between arraylist and vector? 17 What is finalize method? How do you override it? 18 Wha...
Use Collections.synchronizedMap(new HashMap<>) or ConcurrentHashMap for better concurrent performance. 13) What is the parent class of exceptions in Java? The root class is Throwable, and has two main subclasses: Exception and Error. 14) What is the difference between function and procedure in...
Q #26) What is meant by Ordered and Sorted in collections? Answer: Ordered: It means the values that are stored in a collection is based on the values that are added to the collection. So we can iterate the values from the collection in a specific order. ...
Best collection of Java Interview resources including books, courses, interview questions and answers on different topics like core java, collections, mutlithreading, functional programming, serialization, design patterns and more. - GitHub - javabuddy/
You will be able to Answer questions on Java Platform, Wrapper Classes and Strings You will Understand New Features in Java 5, Java 6, Java 7 and Java 8 You will be able to Answer Questions on Collections, Generics and MultiThreading ...