Java has been a cornerstone of the software development world for decades, and as such, it remains one of the most sought-after programming languages in the job market. Whether you’re a fresh graduate embarking on your career or a seasoned developer seeking new opportunities, facing Java interviews can be a challenging yet rewarding experience. This […] The post Java Interview Questions appeared first on PrepBytes Blog ..read more

A concrete class is one that provides implementations for all its methods, leaving no room for unimplemented methods. Such a class can either extend an abstract class or implement an interface, as long as it fulfills all the required method implementations. Being a complete class, it is capable of being instantiated. Put simply, any class […] The post Concrete class in Java appeared first on PrepBytes Blog ..read more

In Java, being an object-oriented language, you have the advantage of structuring your code using reusable classes. The term "reusable" holds significance as it emphasizes that code reusability begins not just when you create objects from classes, but even during the process of designing the classes themselves. What is Interface in Java? In Java, an […] The post What is the difference between interface and concrete class in Java? appeared first on PrepBytes Blog ..read more

Java supports a variety of user input mechanisms, such as reading character data from the console or other input sources. In this article, we will look at various approaches to taking character input in Java that cater to different scenarios and use cases. Understanding how to efficiently capture character input is critical when developing a […] The post Taking character input in Java appeared first on PrepBytes Blog ..read more

When working with collections in Java, it is critical to select the appropriate data structure based on your application’s needs. List and Set are two popular collection interfaces in Java. While they share similarities, there are fundamental differences between them. In this article, we will look at the differences between List and Set to help […] The post Difference between List and Set in Java appeared first on PrepBytes Blog ..read more

Java 8 introduced a powerful feature called Streams, revolutionizing the way we process collections and perform data manipulation in Java. Streams provide a functional and declarative approach to working with data, allowing developers to write concise and expressive code. In this article, we will explore the key concepts and functionalities of Java 8 Streams, uncovering […] The post Java 8 Stream appeared first on PrepBytes Blog ..read more

Working with dates and times is a common requirement in software development, and Java provides robust libraries to handle these tasks efficiently. In this article, we’ll explore how to get current date and time in Java using various approaches available in the standard libraries. Various ways to solve Java get Current Date & Time Here […] The post Java get Current Date & Time appeared first on PrepBytes Blog ..read more

A Java Framework serves as a foundation or infrastructure of pre-existing code, empowering Java developers to create applications and web applications. Essentially, it comprises a set of pre-defined classes and functions designed to handle input processing, hardware management, and interaction with system software. In essence, it functions as a framework or structure that aids developers […] The post What is Framework in Java appeared first on PrepBytes Blog ..read more

Java Math Class Java, being one of the most popular and versatile programming languages, is widely used for developing various applications across different domains. When it comes to performing mathematical operations, Java offers a powerful built-in utility known as the "Math" class. The Java Math class provides a set of static methods that allow developers […] The post Java Math Class appeared first on PrepBytes Blog ..read more

The PATH is an environment variable utilized by the operating system to locate executable files (.exe) or Java binaries (java or javac commands). Once set, the PATH cannot be overridden. It saves us from having to provide the complete path to a program every time we run it in the Command Line Interface, serving as […] The post How to set path in Java appeared first on PrepBytes Blog ..read more