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...
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...
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java.util.ArrayList was introduced in java version 1.2 , as part of Java Collections framework . In java version 1.2 , Vector class has been refactored to implement the List Inteface . Please do mention in the comments in case if you have any doubts or suggestions regarding the post....
//howtodoinjava.com/java/collections/useful-java-collection-interview-questions/ 11. Difference between sleep and wait? //howtodoinjava.com/2013/03/08/difference-between-sleep-and-wait/ 12. Also asked some sql queries. Practice yourself. ...
Another good Java interview question, I think answer is not sufficient but here it is “Substring creates new object out of source string by taking a portion of original string”. see my post How SubString works in Java for detailed answer of this Java question. ...
The Collection API is a set of classes and interfaces that support operation on collections of objects. These classes and interfaces are more flexible, more powerful, and more regular than the vectors, arrays, and hashtables if effectively replaces. ...
Please let us know the company, where you were asked this question : Like Discuss Correct / Improve java basic interview question vector arraylist collections synchronization vector vs arraylist Asked in 35 Companies basic frequent Q5. Difference between ArrayList and LinkedList ? Ans. LinkedL...
Java也在积极 应对容器化、云原生等大趋势，比如Spring Boot就已经全面拥抱云原生。企业对Java的需求最大...
Sr.No.Question 1 What are new Java8 Features? 2 Difference between GET & POST METHODS? 3 Difference between forward() method & SendRedirect() method? 4 Difference between HashMap and HashTable? 5 Difference between HashSet and TreeSet? 6 What is meant by Collections in Java? 7 What is ...