collection framework in java
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Collection Framework in Java

It is a collection of collection classes in the java API. It can used to handle the data structure in java language or collection classes in java API used to manage the data very efficiently like inserting, deleting, updating, retrieving, sorting the data etc.

It is one of the standardized mechanisms which allow us to group multiple values either of same types or different type or both the types in a single variable with dynamic size in nature. This single variable is known as collection variable.

All the operations that we want to perform on a data such as searching, sorting, insertion, deletion etc. Before storing or moving the data to permanent memory location, can be performed by Java Collection Framework.

Basic Aim

The basic aim of collection framework is to improve the performance of java based application.

Prerequisites

Before learning of This Tutorial you need to learn basic of Java Programming Like oops concept, Exception handling, object Type casting.


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Path variable is set for providing path for all Java tools like java, javac, javap, javah, jar, appletviewer which are used in java programming. All these tools are available in bin folders so we set path upto bin folders. Difference between path and classpath in Java

Classpath variable is set for providing a path for predefined Java classes which is used in our application. All classes are available in lib/rt.jar so we set classpath upto lib/rt.jar. Difference between path and classpath in Java

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