Functional Interfaces in Java

Functional Interfaces in Java Java 8 introduced lambda expressions, which allowed us to write short and simple code using default interface methods, lambda expressions, method reference and repeatable...

Interfaces in Java

Interfaces in Java // Interfaces in java are same like an abstract class, it does not attribute definition and all of its methods are abstract. An interface don't have constructors and can't be instantiated....

Map Interface in Java

Map Interface in Java Before proceeding with this article, If you are a new reader and you are not much familiar about collections. Read this article for more information ( Collections in java). Following...

Collections in Java

Collections in Java Arrays are used in java to store several objects. The issue with array is that it does not support dynamic allocation. It has a fixed length which is not changeable once it is declared....