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Java Set Interface

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  Java Set Interface is the child interface of Collection. It is introduced in the java 1.2 version. If our requirement is to represent a group of individual objects in a single entity, where insertion order is not preserved and duplicate is also not allowed then we can use set. Java Set Interface doesn’t contain ….  Read More

Collection Interface in Java

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  Introduction: In this article, we are going to discuss Collection Interface in Java their types and methods. We can also discuss all methods with programming examples. This topic is very important because in every interview some questions are coming related to this topic. so we need to understand all the things on this topic. ….  Read More

Collections in java

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In this article, we are going to discuss Collections in Java uses. What are the advantages of collection in java? Why we need Collections in java and where we use it.   The need for Collection: Array: An Array is an indexed collection of a fixed number of homogeneous data elements. Using arrays the main advantage ….  Read More

Inner Class in Java

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Introduction Inner class in Java means a class is declared inside another class that type of class is called inner classes. Inner class in Java introduced in 1.1 version as part of “EventHandling” to resolve GUI bugs. Inner classes are very powerful features and also so many benefits that’s why nowadays programmers start using regular ….  Read More