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DevelopmentProgramming LanguagesJava

Clean Code with Java: Learn Simple Design, Refactoring & TDD

Write Clean Code with Java. Learn Simple Design, Refactoring and Test Driven Development - TDD.
Rating: 4.4 out of 54.4 (788 ratings)
5,297 students
Created by in28Minutes Official
Last updated 7/2021
English
English [Auto]

What you'll learn

  • You will Learn to Write Clean Code with Java
  • You will Learn and apply 4 Principles of Simple Design
  • You will Understand Refactoring and Refactor Java Code
  • You will Learn TDD and apply TDD to write Clean Code in Java
  • You will look at examples of bad code and refactor them to clean code
  • You will understand that TDD + 4 Principles of Simple Design + Continuous Refactoring = Clean Code

Requirements

  • You will need some programming experience with Java
  • You will need access to a Java IDE like Eclipse
  • You have an attitude to learn while having fun :)

Description

Learn to Write Clean Code with Java.

Get Hands-on with Code Examples involving 4 principles of Simple Design, Refactoring & TDD.


WHAT STUDENTS ARE SAYING

5 STARS - Straight to the point concise and practical

5 STARS - It was a great course to get an understanding of clean coding and the TDD approach. Exercises in this course will help me to write in more cleaner and maintainable manner.

5 STARS - Very well structured course, starting from how to write clean code, then refactor and finally coding with TDD, but with a very practical approach.

5 STARS - Amazing Course !! It's a recommended course for every developer. The course will explain the best way to write standard, clean & maintainable code. Awesome refactoring tips & tricks .Hats off!! in28minutes team

5 STARS - This course is awesome; really liking the course so far. The instructor clearly conveys difficult concepts.


OUR APPROACH

  • Goal I : Understand Clarity of Code (Unit Tests)

  • Goal II: Focus on 4 Principles of Simple Design

  • Goal III: Get started with Refactoring

  • Goal IV : Understand TDD


STEP BY STEP DETAILS

Getting Started with Clarity in Code

  • Clean Code with Simple Design, Refactoring and TDD - Getting Setup

  • Step 00 - Clarity in Code - Problem 1 - Gilded Rose - Introduction

  • Step 01 - Clarity in Code - Problem 1 - Gilded Rose - Refactoring Unit Test 1 - Default Item

  • Step 02 - Clarity in Code - Problem 1 - Gilded Rose - Refactoring Unit Test 2 - Default Item

  • Step 03 - Clarity in Code - Problem 1 - Gilded Rose - Refactoring Unit Test 3 - Aged Brie

  • Step 04 - Clarity in Code - Problem 1 - Gilded Rose - Refactoring Unit Test 4 - Backstage Passes

  • Step 05 - Clean Code - Attitude for the course

Getting Started with 4 Principles of Simple Design

  • Step 01 - 4 Principles of Simple Design - An Introduction

  • Step 02 - 4 Principles of Simple Design - Exercise - StudentHelper.isGradeB

  • Step 03 - 4 Principles of Simple Design - Exercise - StudentHelper.getGrade

  • Step 04 - 4 Principles of Simple Design - Exercise - StudentHelper.willQualifyForQuiz

  • Step 06 - Most difficult challenge in programming - Naming

  • Step 07 - 4 Principles of Simple Design - Exercise - TextHelper.swapLastTwoCharacters

  • Step 07 - Should you have comments in code?

  • Step 08 - 4 Principles of Simple Design - Exercise - TextHelper.truncateAInFirst2Positions

  • Step 09 - 4 Principles of Simple Design - Exercise - CustomerBOTest

  • Step 10 - 4 Principles of Simple Design - Exercise - CustomerBOTest

  • Step 11 - Attitude towards Unit Testing

  • Step 12 - Unit Testing Principles

Getting Started with Refactoring

  • Step 01 - Introduction to Refactoring

  • Step 02 - Refactoring - Exercise - CustomerBOImpl.getCustomerProductsSum

  • Step 03 - Refactoring - Exercise - Movie.isValidRating

  • Step 04 - Refactoring - Exercise - MenuAccess.setAuthorizationsInEachMenus

  • Step 05 - Refactoring - Exercise - UserLoginChecker.isUserAllowedToLogin - 1

  • Step 06 - Refactoring - Exercise - UserLoginChecker.isUserAllowedToLogin - 2

  • Step 07 - My 10 Tips for Good Programmers

Getting Started with Test Driven Development

  • Step 01 - Introduction to Test Driven Development - TDD

  • Step 02 - Test Driven Development - TDD - Exercise - StringHelper.replaceAInFirst2Positions

  • Step 03 - Test Driven Development - TDD - Exercise - StringHelper.replaceAInFirst2Positions

  • Step 04 - Test Driven Development - TDD - Exercise - StringHelper.areFirstTwoAndLastTwoCharsTheSame

  • Step 05 - Test Driven Development - TDD - Exercise - Bowling Kata - Introduction

  • Step 06 - Test Driven Development - TDD - Exercise - Bowling Kata - Getting Started

  • Step 07 - Test Driven Development - TDD - Exercise - Bowling Kata - Spare

  • Step 08 - Test Driven Development - TDD - Exercise - Bowling Kata - Strike

  • Step 09 - 3 Tips for Test Driven Development - TDD

Thank You

  • Clean Code with Simple Design, Refactoring and TDD - Thank You

Who this course is for:

  • Beginner Programmers curious about Clean Code
  • Experienced Programmers wanting to practice Clean Code
  • You want to experience our formula to clean code (TDD + 4 Principles of Simple Design + Continuous Refactoring = Clean Code)

Featured review

Jacopo Penazzi
Jacopo P.
52 courses
5 reviews
Rating: 5.0 out of 5a year ago
Very well structured course, starting from how to write clean code, then refactor and finally coding with TDD, but with a very practical approach. The only thing I would add, is about "testing doubles" (or dependencies) as well, with Mocks. This would add a valuable part to TDD section

Instructor

in28Minutes Official
DevOps, Azure, GCP, Docker, Kubernetes, Java & Spring Boot
in28Minutes Official
  • 4.5 Instructor Rating
  • 258,341 Reviews
  • 1,053,799 Students
  • 53 Courses

Ranga Karanam, the founder of in28minutes, has 2 decades of experience with technology - architecture, design, and programming.  We are helping learners take their first steps into modern cloud native technology and gain expertise on AWS, Azure, Google Cloud, Docker, Kubernetes amongst others.

Our happiest moments are when learners tag us on LinkedIn or reach out to us with their stories of getting their first job, getting a promotion, or a big raise.

----------------------

Ranga is multi-cloud certified -  Google Cloud Certified Professional Cloud Architect, AWS Certified Solutions Architect Associate, Google Cloud Certified Associate Cloud Engineer, AWS Certified Developer Associate, AWS Certified Cloud Practitioner,  Azure Fundamentals Certified AZ-900, DP-900 and AI-900.

Our courses are focused on Cloud Certifications (AWS, Azure, Google Cloud Platform - GCP), DevOps, Full Stack (  React, Angular ), Serverless, Programming, and Microservice Development with Java and Spring Boot.

Our Top Courses include:

1) Master Microservices with Spring Boot and Spring Cloud

2) Java Programming for Complete Beginners

3) Google Cloud Certification - Associate Cloud Engineer - 2021

4) DevOps For Beginners - Docker, Kubernetes, and Azure DevOps

5) Spring Framework Master Class - Java Spring the Modern Way

6) Master Java Web Services and RESTful API with Spring Boot

7) Go Serverless with AWS Lambda and Azure Functions

We have courses focused on Java Frameworks ( Spring, Spring Boot, Spring MVC,  Hibernate ).

[LEARNING PATHS 00 to 06 for DevOps, Full Stack, Cloud,  Spring Boot and Java in the FAQ below]

We use Problem-Solution based Step-By-Step Hands-on Approach With Practical, Real-World Application Examples.

We have a wide range of courses focused on Spring Boot -  Creating APIs and Microservices, Deploying to Cloud ( AWS, Azure, Docker, Kubernetes, Azure ), and Integrating with Full Stack Front end frameworks ( React & Angular ).


[LEARNING PATHS]


[LEARNING PATH 00] - DevOps 

Master DevOps with Docker, Kubernetes and Azure DevOps


[LEARNING PATH 01] - Spring and Spring Boot Web Applications & API Developer

Spring Framework Master Class - Learn Spring the Modern Way!

Learn Spring Boot in 100 Steps - Beginner to Expert

Master Java Web Services and RESTful API with Spring Boot

Master Hibernate and JPA with Spring Boot in 100 Steps

Master Java Unit Testing with Spring Boot & Mockito


[LEARNING PATH 02] - Full Stack Developer with Spring Boot, React and Angular

Go Java Full Stack with Spring Boot and React

Go Java Full Stack with Spring Boot and Angular


[LEARNING PATH 03] - Cloud Microservices with Spring Boot, Docker & Kubernetes

Master Microservices with Spring Boot and Spring Cloud

Master Docker with Java - DevOps for Spring Microservices

Master Kubernetes with Docker on Google Cloud, AWS & Azure


[LEARNING PATH 04] - Cloud Developer with Spring Boot, AWS, Azure, and PCF

Learn AWS - Deploy Java Spring Boot to AWS Elastic Beanstalk

Master Azure Web Apps - Take Java Spring Boot Apps to Azure

Master Pivotal Cloud Foundry with Spring Boot Microservices


[LEARNING PATH 05] - Learn AWS with Microservices, Docker, and Kubernetes

Learn AWS - Deploy Java Spring Boot to AWS Elastic Beanstalk

Master AWS Fargate & ECS with Java Spring Boot Microservices

Master Kubernetes with Docker on Google Cloud, AWS & Azure


[LEARNING PATH 06] - GET AWS CERTIFIED

AWS Certified Cloud Practitioner - Step By Step

AWS Certified Developer Associate  - Step By Step

AWS Certified Solutions Architect Associate - Step By Step


[OUR BELIEFS]

Best Courses are interactive and fun.

Foundations for building high-quality applications are best laid down while learning.


[OUR APPROACH]

We use the 80-20 Rule. We discuss 20% of things used 80% of the time in depth. We touch upon other things briefly equipping you with enough knowledge to find out more on your own.

Problem Solution based Step by Step Hands-on Learning.


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