OOPs Design Principles

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Design Principles are nothing but a set of thoughts that initiate the basis of any good product. No doubt that they continuously help teams to make decisions in delivering a good quality product. Organizations, individuals and product teams always get benefited from writing and following their design principles. If we talk about OOPs Principles, they deal with the principles to design a good quality software where Object Oriented Programming Language is being used for development. In this article, we will be focusing on the OOPs Principles that are used by Industry Designers & Developers in the real time projects. What are OOPs Principles? Object-Oriented Programming (OOP) principles are fundamental concepts that guide the design and implementation of software systems using object-oriented programming languages

Spring Boot MongoDB Java Tutorial With Examples

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As a Java developer, we can't develop an insightful application without the use of a database software. Traditionally, we use a relational database to work with an application. Of course, A relational database is a structured database and contains multiple tables to maintain meaningful relations between them. Additionally, it uses SQL like queries to operate with data stored in the tables. In contrast, suppose we have to work with a large amount of unstructured data which is not beneficial to store in the form of tables, keeping other factors in mind as well, then how will we store our data? The simple answer is 'we should use MongoDB' in that case. Further, you might even have some other questions in your

Spring Core MCQ and Answers Explained

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If you are a Java developer, you are expected to have a good understanding of Spring Core Concepts, specifically in the programming part. Undoubtedly, Spring Boot is the popular framework in the industry. Spring Boot is built on top of Spring Framework itself. Spring Core concepts play an important role in working on Spring Boot smoothly. In this article, we will refresh our concepts in the form of MCQs that are frequently asked in the interviews as well. Furthermore, you must also get the benefit in the interviews from these Spring Core MCQ and Answers Explained. So, whether you are a beginner or a professional, solve these Spring Core MCQs to learn or refresh your concepts of Spring Framework before appearing

SOLID Principles-The Dependency Inversion Principle

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Almost everywhere when we talk about delivery of a product, the first step comes in mind is it's design. The more focus we put into the design, the better the product will look. Every design has some design principles that need to be followed while designing a product.  Hence, design principles have a crucial role in any product delivery. Design Principles help teams with decision making. In this article, We will discuss about 'SOLID Principles-The Dependency Inversion Principle'. A few simple principles or valuable questions can guide our team towards taking relevant decisions. SOLID Principles are the set of five principles used to design a software. In fact, the word 'SOLID' is the acronym for the set of five principles that

Spring MCQ and Answers Explained

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If you are a Java developer, you are expected to have a good understanding of Spring Framework Concepts, specifically in the programming part. Undoubtedly, Spring Boot is the popular framework in the industry. Spring Boot is built on top of Spring Framework itself. If you have a good hold on the Spring Framework, you will easily understand Spring Boot and work on it smoothly. In this article, we will refresh our concepts in the form of MCQs that are frequently asked in the interviews as well. Additionally, you must also get benefitted in the interviews from these Spring MCQ and Answers Explained. So, whether you are a beginner or a professional, solve these Spring MCQs to learn or refresh your concepts

SOLID Principles-The Interface Segregation Principle

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Almost everywhere when we talk about delivery of a product, the first step comes in mind is it’s design. The more focus we put into the design, the better the product will look. Every design has some design principles that need to be followed while designing a product.  Hence, design principles have a crucial role in any product delivery. Design Principles help teams with decision making. In this article, We will discuss about ‘SOLID Principles-The Interface Segregation Principle’. A few simple principles or valuable questions can guide our team towards taking relevant decisions. SOLID Principles are the set of five principles used to design a software. In fact, the word ‘SOLID’ is the acronym for the set of five principles that

SOLID Principles-The Liskov Substitution Principle

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Almost everywhere when we talk about delivery of a product, the first step comes in mind is it’s design. The more focus we put into the design, the better the product will look. Every design has some design principles that need to be followed while designing a product.  Hence, design principles have a crucial role in any product delivery. Design Principles help teams with decision making. In this article, We will discuss about ‘SOLID Principles-The Liskov Substitution Principle’. A few simple principles or valuable questions can guide our team towards taking relevant decisions. SOLID Principles are the set of five principles used to design a software. In fact, the word ‘SOLID’ is the acronym for the set of five principles that

How to Save Data into Database Using Spring Data JPA : Step by Step Tutorial

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If we are developing a project using Spring Boot, we take help of Spring Data JPA to solve our database operations need. In this article we will go through "How to Save Data into Database Using Spring Data JPA : Step by Step Tutorial". If we are developing a project using Spring boot, saving data into the database is the mandatory topic to learn. Furthermore, we will go through step by step in this article. Also, we will save bulk data in a batch. Now let's start our exercise as "How to Save Data into Database Using Spring Data JPA : Step by Step Tutorial". Software Used ♦ STS (Spring Tool Suite) : (download link: https://spring.io/tools) ♠ MySQL Database ♦ JDK 8 (Extremely Tested

Top 20 Collection Framework In Java Interview Questions

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As a good Java developer, it is very important to have a thorough knowledge of different Java collections, their specifications and uniqueness. It helps in selecting the right data structure for a particular scenario. In any java interview almost every interviewer checks these skills in the candidate. The reason behind this is that an industry level live project can't be developed without using Java Collections. Moreover, selecting a right collection in a particular scenario becomes very important, because the wrong selection may involve in performance implications in the long term. In this article, we will discuss 'Top 20 Collection Framework In Java Interview Questions' and their answers. Additionally, interviewers often evaluate a candidate's proficiency to analyze trade-offs between different collections and

Java Coding Best Practices and Standards

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As a developer, while doing coding task, there is a probability that we make some mistakes accidentally. Sometimes, the compiler catches the mistakes and warns us to correct it. But when we make a mistake and compiler didn't catch it, we may face an issue after running the program. That's why we should have some elementary knowledge of Java Coding Best Practices and Standards in order to avoid them. These Java Coding Best Practices and Standards are not only useful in writing a successful program, but also in improving the performance of the application in the long term as a whole. Based on the Code Review, we are going to mention a synopsis of the common mistakes that a Programmer commits.

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