What is design pattern : Java is a object oriented programming based language. Software developers are use OOP(Object oriented progamming) to maintain code and structure in well defined. Design patterns are best practices/ways of use of OOP that makes easy to software development task. Why we will design patterns ?: Flexibility: Using design patterns your code becomes flexible. It helps to provide the correct level of abstraction due to which objects become loosely coupled to each other which makes your code easy…
Step 1 : Right on my computer/This PC. Step 2 : Go to Advanced Settings Step 3. Go to Environment Variables Step 4. Select PATH Step 5. Edit Step 6. Add New Step 7. Paste Java JDK path (C drive where JDK installed)
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What is Collection Framework : The Java collections framework (JCF) is a set of classes and interfaces that implement commonly reusable collection data structures. Although referred to as a framework, it works in a manner of a library. The JCF provides both interfaces that define various collections and classes that implement them. Java Collection Framework Hierarchy : Common Collection Framework Classes : There several Collection Framework Class and Interfaces . Here we will Discuss most Common Collection Framework Hierarchy ….