Java GraphQL API Development
GraphQL is a query language for APIs and a runtime for executing those queries by providing a more efficient, powerful, and flexible alternative to REST APIs. It allows clients to….
Tag: Java
JWT Authentication in Java
JWT (JSON Web Token) is a compact, URL-safe means of representing claims to be transferred between two parties. It is commonly used for authentication and authorization in modern web applications…..
Serialization and Deserialization in Java
Serialization and Deserialization in Java are mechanisms used to convert objects into a byte stream (serialization) and reconstruct objects from a byte stream (deserialization). These processes are essential for saving….
Java Functional Interfaces
Introduced in Java 8, Lambda expressions are a key feature that enables functional programming capabilities in Java. They provide a concise way to express instances of single-method interfaces (functional interfaces)….
Lambda Expressions in Java
Lambda Expressions in Java Introduced in Java 8, Lambda expressions are a key feature that enables functional programming capabilities in Java. They provide a concise way to express instances of….
Java Streams API (Filter, Map, Reduce)
Java Streams API (Filter, Map, Reduce) The Streams API introduced in Java 8 provides a modern, functional-style approach to processing sequences of elements, such as collections. The Stream API allows….
Generics in Java
Generics in Java is a feature that allows you to write classes, interfaces, and methods that operate on parameterized types. It enables type safety, code reusability, and eliminates the need….
HashMap vs. TreeMap vs. LinkedHashMap
In Java, HashMap, TreeMap, and LinkedHashMap are three commonly used implementations of the Map interface. Each has its own characteristics and use cases. Let’s compare them in detail: 1. HashMap….
Lists, Sets, and Maps in Java Collections
Lists, Sets, and Maps in Java Collections In Java, the Collections Framework provides a powerful and flexible set of interfaces and classes that allow developers to work with various data….
Exception Handling (try-catch-finally)
Exception handling is an important aspect of Java programming. It allows developers to manage runtime errors, ensuring that the program can continue execution or handle errors in a controlled way…..