Why Polymorphism does not help and we need Generics
Why we cannot use super types which can refer to some subtypes so that we can keep the classes Generics? The answer is that using Super types or Object as reference does not help. There will be issues...
View ArticleWhat is LinkedHashMap?
Linked HashMap is a datastructure Which maintains the insertion order for its entries. That means it arranges its entries exactly in the same order as they have been added. LinkedHashMap can be used in...
View ArticleJava TreeMap example
TreeMap in java sorts all its entries based on Natural ordering of the Key element.
View ArticleJava Inner Classes – An Introduction
Java Inner Classes – An Introduction Inner classes are those which are wrapped inside a class. They are also called as nested classes. There are static inner classes, we can also call them as Static...
View ArticleJava Method Local Inner classes
Method Local Inner classes in Java Method Inner classes are those which are declared inside a method. Method local inner classes help in encapsulating the functionality and make it more readable. The...
View ArticleJava Anonymous Inner classes
Anonymous Inner classes in Java – Example Anonymous Inner classes are those that does not have a class signature. They are created as a object creation statement which also carries the body of the...
View ArticleStatic Nested Classes in Java
Static Nested Classes Static Inner classes are those normal inner classes with static modifier. The main usage of static nested class is to access the static members and also directly able to access...
View ArticleJava 8 Features – An Introduction
Java 8 has major language changes and Feature additions. In this introduction, we will take a look at the language changes and feature additions and what made java to evolve.
View ArticleMutable States in Functional Programming
Functions are First class members in functional programming. Avoiding Mutable states is one of important property that a function should follow to ensure that there are no concurrency issues.
View ArticleStatelessness in Functions
Functions should be stateless in functional programming. It is important that functions do not depend on state or maintain the same which in not in their scope. This helps to keep functions independent...
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