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Java 9 Modularity

First Look

Sander Mak

Get a first look at the all-new Java module system. In this course, you'll learn about modularity concepts such as encapsulation and explicit module dependencies, as well as how to migrate your existing code to Java 9.

The upcoming Java 9 release delivers a brand new module system as its flagship feature. In this course, Java 9 Modularity: First Look, both the concepts and practice behind modular development are introduced. First, you'll learn what modules are and how modular design using the Java module system increases the flexibility, maintainability, and security of your applications. Next, using a Java 9 Early Access release, these concepts are illustrated with real, working code. Finally, the issue of migrating existing applications to the new Java module system is addressed as well, with features such as automatic modules. When you're finished with this course, terms like encapsulation and explicit module dependencies will be no secret to you. After this course, you'll be ready for modular development with Java 9.

This course is no longer available. Find something similar by browsing:

Java 9 Modules Modularity Encapsulation Explicit Module Dependencies Migration to Java 9 Automatic Modules Java Module System

What's inside

Syllabus

Course Overview

Introducing Java 9 Modularity

Creating Modules

Working with Modules

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Specifically explains how to migrate legacy code to Java 9 modules

Taught by experienced instructors in the field of Java

Provides valuable insights into the latest advancements in Java development

Relevant for software developers and architects looking to enhance their skills in Java

May require prior knowledge of Java development for effective participation

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Reviews summary

Java 9 modularity: clear introductory look

According to students, "Java 9 Modularity: First Look" provides a clear and concise introduction to the Java module system. Learners frequently praise the instructor's ability to simplify complex topics and the helpful hands-on examples. Many found it an excellent starting point for understanding core modularity concepts like encapsulation and explicit dependencies, as well as migrating existing code. However, some recent reviews indicate that the course's focus on Java 9 and its early access release means certain aspects may feel dated in the context of newer Java versions. While the fundamental principles remain relevant, prospective learners should be aware of its historical context.

Provides a foundational 'first look' rather than deep dive.

"Perfect for getting started with JPMS!"

"It doesn't go very deep, and the technology it covers (Java 9) is already somewhat old."

"It was a great 'first look' and gave me a solid foundation to explore Java 9 modules further."

Provides valuable hands-on examples and coding demos.

"The hands-on examples were very helpful to solidify understanding."

"The demos worked perfectly, and I appreciated the clear explanations."

"The practical examples were easy to follow and apply."

Course excels at explaining complex modularity topics.

"The instructor explained the concepts of modularity very clearly, making complex topics easy to grasp."

"I found the explanations of `requires`, `exports`, and `uses/provides` to be very well done."

"The instructor's clarity on complex topics like `uses` and `provides` was outstanding."

Some learners faced difficulties with the early access JDK.

"I hit a lot of problems with the early access build of Java 9 that the course used."

"It felt like I spent more time debugging my environment than learning."

"I struggled a bit with setting up the early access JDK as mentioned in the course."

Course content is somewhat dated due to Java 9 focus.

"When Java 9 was new, this was a lifesaver. Now, with Java 17 being LTS, the 'First Look' aspect feels a bit dated."

"My only minor gripe is that some of the specific examples might be tied to Java 9's initial quirks..."

"Useful for understanding the historical context and basics, but not for cutting-edge development."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Java 9 Modularity: First Look with these activities:

Head First Java, 2nd Edition

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Introduces a practical understanding of Java programming concepts applicable to modularity.

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Read Chapter 10: Objects and Modularity.
Complete the exercises and examples in the chapter.

Review Essential Java Concepts

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Revisiting basic Java syntax, OOP principles, data structures, and algorithms will solidify your understanding and prepare you for the course's more advanced concepts.

Browse courses on Java

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Review Java syntax and data types.
Go over object-oriented programming concepts: classes, objects, inheritance, and polymorphism.
Practice working with common data structures like arrays, lists, and maps.
Revisit fundamental algorithms for searching, sorting, and recursion.

Review modularity

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Helps recall prior knowledge about modularity and prepare for new concepts introduced in the course.

Browse courses on Modularity

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Reread any prior notes or materials on modularity.
Review key definitions and concepts related to modularity.
Explore online resources or articles to refresh your understanding.

Nine other activities

Expand to see all activities and additional details

Show all 12 activities

Explore Java 9 Features

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Completing tutorials on the specific features of Java 9, such as modules, will equip you with hands-on experience and a deeper understanding of how they work.

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Go through tutorials on creating and working with modules.
Follow tutorials on exposing and consuming module services.
Explore tutorials on automatic module migration.
Practice working with Java 9's new APIs and libraries.

Peer Discussion on Modularity

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Fosters collaboration and exchange of ideas, reinforcing understanding of modularity concepts.

Browse courses on Modularity

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Organize a study group or join an online discussion forum.
Discuss modularity topics, share resources, and answer each other's questions.

Java Module System Tutorials

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Provides structured guidance and reinforcement of modularity concepts covered in the course.

Browse courses on Java Module System

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Identify online tutorials or courses that cover the Java Module System.
Follow the tutorials step-by-step and complete the exercises.
Review the tutorial materials and make notes for future reference.

Solve Java 9 Module Exercises

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Solving coding exercises and challenges will reinforce your understanding of the concepts and provide practical experience in writing modular Java code.

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Find online exercises and coding challenges related to Java modules.
Work through the exercises and debug your code.
Analyze and compare different solutions to the exercises.
Create your exercises based on the concepts covered in the course.

Coding Exercises in Modularity

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Strengthens understanding by applying modularity concepts in practice and helps identify areas for improvement.

Browse courses on Modularity

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Find online coding challenges or exercises related to Java modularity.
Attempt to solve the exercises on your own.
Review solutions and discuss with classmates or the instructor for feedback.

Build a Modular Java Application

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Developing a modular Java application will provide you with a practical opportunity to apply the course concepts, enhance your coding skills, and demonstrate your understanding of Java 9 modularity.

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Design a modular application architecture.
Implement the application using Java modules.
Test and debug your application.
Document your code and explain your design decisions.

Blog Post on Modularity Best Practices

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Reinforces understanding through the process of explaining modularity concepts to others.

Browse courses on Modularity

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Research and gather information on modularity best practices.
Write a blog post summarizing and explaining these best practices.
Publish the blog post and share it with others.

Modular Java Project

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Provides an opportunity to apply modularity principles in a real-world setting and deepens understanding.

Browse courses on Module System

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Design and plan a modular Java project.
Implement the project using modularity principles.
Test and debug the project to ensure proper functioning.
Demonstrate the project and explain the modularity concepts used.

Mentor Junior Developers in Modularity

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Strengthens understanding by teaching and guiding others, clarifying and solidifying concepts.

Browse courses on Modularity

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Identify opportunities to mentor junior developers or students interested in modularity.
Provide guidance, answer questions, and share resources on modularity concepts.

Career center

Learners who complete Java 9 Modularity: First Look will develop knowledge and skills that may be useful to these careers:

Software Developer

The Java 9 Modularity: First Look course helps build a foundation for Software Developers to implement the Java 9 module system, which can help increase application security, reliability, and flexibility. Using the course, Software Developers can create and work with modules, expose and consume services, and link modules. This allows them to develop more modular and maintainable applications.

See salaries and explore the career path for Software Developer

Software Engineer

For Software Engineers, the Java 9 Modularity: First Look course can help implement the Java 9 module system, which enhances application security and performance. This course covers the basics of modularity, such as encapsulation and explicit module dependencies, and takes engineers through real-world examples of creating, working with, and linking modules.

See salaries and explore the career path for Software Engineer

Java Developer

The Java 9 Modularity: First Look course can enable Java Developers to harness the potential of Java 9's module system. Through interactive exercises and demonstrations, the course teaches how to create modular applications, encapsulate code, and manage module dependencies, allowing Java Developers to build more secure and maintainable applications.

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Application Developer

The Java 9 Modularity: First Look course is well-suited for Application Developers who want to understand how to leverage the new Java 9 module system in their development process. The hands-on approach of the course allows them to create and work with modules effectively, enhancing their application's security, maintainability, and flexibility.

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Software Architect

Software Architects will find the Java 9 Modularity: First Look course valuable for designing and implementing modular software applications. It provides a solid understanding of the Java 9 module system, enabling architects to create applications that are flexible, maintainable, and scalable. The course covers best practices for modularity, dependency management, and application packaging.

See salaries and explore the career path for Software Architect

Technical Architect

The Java 9 Modularity: First Look course can be beneficial for Technical Architects who are responsible for designing and developing complex software systems. It provides a comprehensive understanding of Java 9's module system, enabling architects to make informed decisions about modularity, dependency management, and application packaging.

See salaries and explore the career path for Technical Architect

Systems Analyst

Systems Analysts can benefit from the Java 9 Modularity: First Look course to gain a solid understanding of the new module system in Java 9. The course covers the concepts of encapsulation, explicit module dependencies, and how to migrate existing code to Java 9. This knowledge enables Systems Analysts to design and implement modular software systems that are flexible, maintainable, and secure.

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Programmer Analyst

The Java 9 Modularity: First Look course can provide Programmer Analysts with the skills to work with the Java 9 module system. The course covers the basics of modularity and how to create, work with, and link modules. This knowledge is valuable for Programmer Analysts who want to develop modular and maintainable applications.

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Software Consultant

The Java 9 Modularity: First Look course offers valuable insights for Software Consultants who advise clients on Java application development. The course provides a comprehensive understanding of the Java 9 module system, enabling consultants to make informed recommendations on modularity, dependency management, and application packaging.

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Technical Lead

The Java 9 Modularity: First Look course can benefit Technical Leads who want to gain a deeper understanding of the Java 9 module system. The course covers the concepts of modularity, dependency management, and application packaging. This knowledge is valuable for Technical Leads who are responsible for leading software development teams and making technical decisions.

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Project Manager

Project Managers involved in Java application development may find the Java 9 Modularity: First Look course helpful. It provides an overview of the Java 9 module system, its benefits, and its implications for project planning and execution. By understanding the basics of modularity, Project Managers can make informed decisions and effectively manage projects that involve Java 9.

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Quality Assurance Analyst

The Java 9 Modularity: First Look course can be useful for Quality Assurance Analysts who want to gain a better understanding of the Java 9 module system. The course covers the concepts of encapsulation, explicit module dependencies, and how to migrate existing code to Java 9. This knowledge can help Quality Assurance Analysts develop more effective test plans and strategies for modular Java applications.

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Database Administrator

The Java 9 Modularity: First Look course may be helpful for Database Administrators who want to understand how Java 9 modularity affects database connectivity and data access. The course covers the basics of modularity and how to create, work with, and link modules. This knowledge can be beneficial for Database Administrators who manage Java applications that utilize databases.

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Business Analyst

The Java 9 Modularity: First Look course may be useful for Business Analysts who want to gain a better understanding of the Java 9 module system and its implications for business applications. The course covers the concepts of modularity, dependency management, and application packaging. This knowledge can help Business Analysts understand how modularity affects software development, maintenance, and deployment.

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IT Manager

The Java 9 Modularity: First Look course can provide IT Managers with a general overview of the Java 9 module system and its potential impact on their organization's IT infrastructure. The course covers the benefits and challenges of modularity, as well as how to plan for and implement a modular architecture. This knowledge can help IT Managers make informed decisions about adopting Java 9 and the module system.

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Reading list

We've selected 25 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Java 9 Modularity: First Look.

JavaFX 9 by Example

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Is the definitive guide to the Java module system, written by one of its architects. It provides a deep dive into the design and implementation of the module system, and is essential reading for developers who want to understand the inner workings of Java 9 modularity.

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Java 9 Modularity

First Look

What's inside

Syllabus

Traffic lights

Save this course

Reviews summary

Java 9 modularity: clear introductory look

Activities

Career center

Reading list

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