Introduction Java is an object-oriented programming language. Everything in Java is an object, all the programs, codes, and data reside within classes and objects.  Inheritance, Polymorphism, Encapsulation, Abstraction, classes, and objects are few important concepts of Object-Oriented Programming.  OOPs is ...

Introduction  Object-Oriented Programming (OOP) is one of the main concepts in the programming world. The concept of OOP is tested in interviews, and hence it becomes essential to know the concepts of OOPs like Inheritance, Abstraction, Encapsulation, and Polymorphism thoroughly.  ...

Introduction In most programming languages, we can create user-defined data types on top of inbuilt data types to accommodate data constituted with various data types. Enum is one such example of user-defined data types in Java. It was introduced in ...

Introduction If you are a programmer, then while studying data structures and algorithms, you might have come across the following problems: Find the length of the longest subsequence of one string which is a substring of another string. If not, ...

Introduction Java is the most popular programming language among developers. Even after new programming languages are developing, JAVA seems to get more widespread year on year. One of the reasons behind this is its platform independence. Programs can run on ...

Introduction The Java programming language created by James Gosling in the early 1990s is one of the most popular programming languages. No wonder Java is the second most demanded programming language with around 70K job postings in January 2020, as ...

Introduction The Java programming language created by James Gosling in the early 1990s is one of the most popular programming languages. No wonder Java is the second most demanded programming language with around 70K job postings in January 2020, as ...

Introduction In this blog, you learn to solve the problem Longest Consecutive Subsequence. But before that, you need to be very clear about the definition of subsequence. Most of the people remain confused between subarray and subsequence, so let’s discuss ...

Introduction You open your system in the morning, you open your mailbox, text someone on chat, join your meetings, and have you ever wondered that all this happens at the same time, within some seconds. Let’s examine how the algorithm ...

Introduction Java is a pure object-oriented language. All of the code we write in Java must be inside a class. That’s why Java requires a lot of unique keywords and methods to establish relations and communication between multiple classes. To ...