Docker Basics
Introduction: In recent years, Docker has revolutionized the way software is developed, deployed, and managed. Its impact on the software industry is profound, offering a streamlined approach to building, shipping, and running applications. In this guide, we will explore what Docker is, why it is important, and delve into its key features and functionalities. What is Docker? Docker is an open-source platform that enables developers to package their applications and dependencies into lightweight, portable containers.
How Spring Boot Application Works Internally ?
Introduction: Spring Boot is a powerful framework for building Java applications with ease. It simplifies the development process by providing pre-configured dependencies and reducing the need for manual configuration. In this blog, we will explore the internal workings of a Spring Boot application and how it handles the configuration and initialization process. Dependency Management: Spring Boot relies on pre-configured JAR files to handle various functionalities. These JAR files are specified in the META-INF/spring.
Dependency Inversion Principle: SOLID principles
Introduction: Software developers are constantly striving to create robust, maintainable, and flexible code. One approach that helps achieve these goals is adhering to SOLID principles, a set of guidelines for designing software systems. In this blog post, we will focus on one specific principle: Dependency Inversion. We’ll explore what it means, its importance, and provide an example in Java to illustrate its application. Understanding Dependency Inversion: Dependency Inversion, as the name suggests, is concerned with inverting the traditional direction of dependencies in software modules.
Interface Segregation Principle: SOLID principles
Introduction: In this tutorial, we’ll be discussing the Interface Segregation Principle, one of the SOLID principles. Representing the “I” in “SOLID”, interface segregation simply means that we should break larger interfaces into smaller ones. Thus ensuring that implementing classes need not implement unwanted methods. What is the Interface Segregation Principle? The Interface Segregation Principle states that clients should not be forced to depend on interfaces they do not use. In other words, we should strive to keep interfaces focused and cohesive, catering to specific sets of behaviors, rather than bundling unrelated methods together.
Liskov Substitution Principle: SOLID principles
Introduction: One principle that plays a crucial role in object-oriented programming is the Liskov Substitution Principle (LSP). Coined by Barbara Liskov, this principle emphasizes the significance of substitutability and inheritance in building reliable and flexible software systems. In this blog, we’ll explore the Liskov Substitution Principle and its practical implications. Understanding the Liskov Substitution Principle: At its core, the Liskov Substitution Principle (LSP) is a fundamental principle of object-oriented programming. It states that objects of a superclass should be replaceable with objects of its subclasses without affecting the correctness of the program.
Open-Closed Principle: SOLID principles
Introduction: SOLID is a set of principles that guides software developers in designing robust and maintainable code. Among these principles, the Open-Closed Principle (OCP) stands out as a fundamental concept. In this blog post, we will dive into the Open-Closed Principle and explore how it can be applied in Java programming, along with practical examples. What is the Open-Closed Principle (OCP)? The Open-Closed Principle, coined by Bertrand Meyer, states that “software entities (classes, modules, functions, etc.
Single Responsibility Principle: SOLID Principles
Understanding the Single Responsibility Principle Introduction: In development, it’s crucial to learn about software design principles that can help you write clean, maintainable, and scalable code. One such principle is the Single Responsibility Principle (SRP). In this blog post, we will explore what SRP is, why it’s important, and provide an example in Java to help solidify understanding. What is the Single Responsibility Principle? The Single Responsibility Principle states that a class should have only one reason to change.
JVM vs JRE vs JDK
Introduction In java development, the terms “JVM,” “JRE,” and “JDK” might be confusing. These acronyms are essential to understanding Java’s structure and how it works, so let’s take a closer look at each of them. JVM (Java Virtual Machine): The Java Virtual Machine (JVM) is an essential part of Java’s architecture. It is an abstract machine that provides a runtime environment in which Java bytecode can be executed. Java bytecode is a platform-independent language that can run on any device that has a JVM.
@OneToMany relationship with JPA and Hibernate
Introduction In a relational database system, a one-to-many association links two tables based on a Foreign Key column so that the child table record references the Primary Key of the parent table row. Mapping We have two choices for that: a unidirectional @OneToMany association bidirectional @OneToMany association The bidirectional association requires the child entity mapping to provide a @ManyToOne annotation, which is responsible for controlling the association. On the other hand, the unidirectional @OneToMany association is just the parent-side that defines the relationship.
@OneToMany relationship with JPA and Hibernate
Introduction In a relational database system, a one-to-many association links two tables based on a Foreign Key column so that the child table record references the Primary Key of the parent table row. Mapping We have two choices for that: a unidirectional @OneToMany association bidirectional @OneToMany association The bidirectional association requires the child entity mapping to provide a @ManyToOne annotation, which is responsible for controlling the association. On the other hand, the unidirectional @OneToMany association is just the parent-side that defines the relationship.