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...
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 collectionstutorial. 4.Java String Interview Questions and Answers...
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 ...
Sorry that seems to be basic or silly question, but am confused and need a little help here. 0 Reply Lokesh Gupta Reply to Bala 10 years ago You all questions has been answered here : https://howtodoinjava.com/java/collections/hashmap/how-hashmap-works-in-java/ 0 Reply Bala ...
Functional interfacescompletely changed how we look at both fundamental building blocks of Java language. You cannot skip this question if your resume says you work on Java 8. In the linked tutorial, I will show you the correct scenarios, which will help you crack some complex interview questio...
We can't capture it bycatchCapture viacatchis not recommended. For example, Java virtual machine running error (Virtual MachineError), virtual machine memory is not enough error (OutOfMemoryError), class definition error (NoClassDefFoundError) and so on. When these exceptions occur, the Java ...
134 . Why do we need collections in Java? 135 . What are the important interfaces in the collection hierarchy? 136 . What are the important methods that are declared in the collection interface? 137 . Can you explain briefly about the List interface?
Practise question is key to crack interviews. Instructor provides assignments for all the topics covered in the class. Competitive Coding Tests Evaluate yourself in competitive coding tests with your batchmates. Batch for DSA + System Design Live classes starts on 19th April Get Assured Interview Cal...
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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. ...