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Top Java Collection Interview Questions for 2021
To consolidate your knowledge and concepts in Java, here we ve listed the most commonly asked Java interview questions so you can crush that interview! by
Collections in Java
In Java, Collection is a framework that provides an architecture to store and manipulate groups of objects. The “Collection Framework” has been defined in JDK 1.2 and it holds all the collection classes and interfaces in it. The two main interfaces of the Java Collection classes are the Collection interface (java.util.Collection) and the Map interface (java.util.Map). Java Collections can perform all operations on data such as searching, sorting, insertion, manipulation, and so on. Java Collection Framework provides interfaces such as Set, List, Queue, Deque, and classes such as ArrayList, Vector, LinkedList, HashSet, PriorityQueue, TreeSet, and LinkedHashSet.
Java Code Quality Tools Recommended by Developers
Some Java code tools recommended by developers include DeepSource, SonarQube, SpotBugs, and more. by
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The best way to protect your Java code from avoidable bugs is to use static code analysis tools that can help you find and fix problematic code before it reaches production. Let s look at some popular static code analysis tools that can be used to test code from a number of different angles.
DeepSource
DeepSource delivers what is probably the best static code analysis you can find for Java. The DeepSource Java analyzer detects 190+ code quality issues, including performance bugs, security risks, bug risks, and anti-patterns. Currently, It supports Gradle Java projects, and in the future, DeepSource will add support for Maven and Android too. DeepSource is also working on bringing Autofix support to the Java analyzer, which will let developers fix issues wi