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Design Patterns in Java

Behavioral

The Gang of Four Design Patterns explained and implemented using Java.

This course is part of a 3 part series covering design patterns using Java. This part covers the behavioral design patterns, Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template, and Visitor as defined by the Gang of Four. We look at examples in the Java API and code examples of each pattern.

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What's inside

Syllabus

Course Overview

Behavioral Design Patterns Introduction

Chain of Responsibility Pattern

Command Pattern

Interpreter Pattern

Iterator Pattern

Mediator Pattern

Memento Pattern

Observer Pattern

State Pattern

Strategy Pattern

Template Method Pattern

Visitor Pattern

What Next?

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Develops deep expertise in design patterns using the Java programming language, especially for experienced learners

Taught by Bryan Hansen, a recognized expert in design patterns

Examines design patterns which are highly relevant to object-oriented programming

Covers a wide range of behavioral design patterns, including Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template, and Visitor, ensuring comprehensive coverage

May not be suitable for beginners in object-oriented programming or Java

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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 Design Patterns in Java: Behavioral with these activities:

Organize your notes, assignments, quizzes, and exams

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Organizing your materials will help you stay on top of the course material and make it easier to study for exams.

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Create a system for organizing your materials
File your notes, assignments, quizzes, and exams in the appropriate place
Review your materials regularly
Update your system as needed
Seek help from a tutor or librarian if needed

Read 'Head First Design Patterns'

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This book provides a clear and concise introduction to design patterns, which will help you understand how to write reusable and maintainable code.

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Read the book from cover to cover
Take notes on the key concepts
Try to apply the design patterns in your own code
Discuss the design patterns with other developers
Attend a workshop or training course on design patterns

Volunteer at a local tech company

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Volunteering at a local tech company will help you gain practical experience and build your network.

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Find a local tech company to volunteer at
Contact the company and express your interest in volunteering
Complete the volunteer application
Attend the volunteer orientation
Perform your volunteer duties

Five other activities

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Practice solving problems using recursion

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Practicing recursion will help you understand how to solve problems by breaking them down into smaller subproblems.

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Find a problem that can be solved using recursion
Break the problem down into smaller subproblems
Write a recursive function to solve each subproblem
Test your recursive function
Debug your recursive function if necessary

Join a study group

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Joining a study group will help you learn from your peers and get support from other students.

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Find a study group to join
Attend the study group meetings regularly
Participate in the discussions
Help other students with their work
Study for exams together

Participate in a coding competition

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Participating in a coding competition will help you improve your problem-solving skills and learn from other developers.

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Find a coding competition to participate in
Practice solving problems in the format of the competition
Attend the competition and give it your best shot
Reflect on your performance and learn from your mistakes
Keep practicing and competing to improve your skills

Write a Java program that implements the Observer design pattern

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Implementing the Observer design pattern in Java will help you understand how to create loosely coupled objects that can communicate with each other.

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Define the Observer interface
Define the Subject class
Create an Observer class that implements the Observer interface
Add the Observer to the Subject
Notify the Observer when the Subject changes state

Develop a software application that demonstrates the use of design patterns

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Developing a software application that demonstrates the use of design patterns will help you apply your knowledge of design patterns in a practical setting.

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Choose a project idea
Design the application architecture
Implement the application
Test the application
Deploy the application

Career center

Learners who complete Design Patterns in Java: Behavioral will develop knowledge and skills that may be useful to these careers:

Java Developer

Java Developers write and maintain code for software systems using the Java programming language. They work with Software Engineers and Software Developers to bring software designs to life. This course is particularly relevant for Java Developers because it teaches design patterns that are specifically applicable to Java.

See salaries and explore the career path for Java Developer

Full-Stack Developer

Full Stack Developers write and maintain code for both the client-side and server-side of software systems. They work with Software Engineers and Software Developers to bring software designs to life. This course may be useful for Full Stack Developers who want to learn about design patterns that can help them write more efficient and maintainable code.

See salaries and explore the career path for Full-Stack Developer

Software Engineer

Software Engineers design, develop, and test software systems. They work with Software Architects to ensure that systems meet the needs of users. This course may be useful for Software Engineers who want to learn about design patterns that can help them write more efficient and maintainable code.

See salaries and explore the career path for Software Engineer

Backend Developer

Backend Developers write and maintain code for the server-side of software systems. They work with Software Engineers and Software Developers to bring software designs to life. This course may be useful for Backend Developers who want to learn about design patterns that can help them write more efficient and maintainable code.

See salaries and explore the career path for Backend Developer

Software Developer

Software Developers write and maintain code for software systems. They work with Software Engineers to bring software designs to life. This course may be useful for Software Developers who want to learn about design patterns that can help them write more efficient and maintainable code.

See salaries and explore the career path for Software Developer

Software Architect

Software Architects design and develop the overall architecture of software systems. They ensure that systems are scalable, reliable, and secure. This course may be useful for Software Architects who want to learn about design patterns that can help them create more effective software architectures.

See salaries and explore the career path for Software Architect

Database Administrator

Database Administrators design and maintain databases. They work with Software Engineers and Software Developers to ensure that databases are scalable, reliable, and secure. This course may be useful for Database Administrators who want to learn about design patterns that can help them create more effective databases.

See salaries and explore the career path for Database Administrator

Systems Analyst

Systems Analysts design and develop software systems. They work with Software Engineers and Software Developers to bring software designs to life. This course may be useful for Systems Analysts who want to learn about design patterns that can help them create more effective software systems.

See salaries and explore the career path for Systems Analyst

Technical Support Analyst

Technical Support Analysts provide technical support to users of software systems. They work with Software Engineers, Software Developers, and other technical professionals to resolve technical issues. This course may be useful for Technical Support Analysts who want to learn about design patterns that can help them create more effective technical support.

See salaries and explore the career path for Technical Support Analyst

Business Analyst

Business Analysts gather and analyze business requirements to help organizations develop software systems that meet their needs. They work with Software Engineers, Software Developers, and other stakeholders to ensure that software systems are aligned with business objectives. This course may be useful for Business Analysts who want to learn about design patterns that can help them create more effective software systems.

See salaries and explore the career path for Business Analyst

Product Manager

Product Managers oversee the development and marketing of software products. They work with Software Engineers, Software Developers, and other stakeholders to ensure that software products meet the needs of users. This course may be useful for Product Managers who want to learn about design patterns that can help them create more effective software products.

See salaries and explore the career path for Product Manager

IT Manager

IT Managers oversee the IT operations of an organization. They work with Software Engineers, Software Developers, and other IT professionals to ensure that IT systems are running smoothly. This course may be useful for IT Managers who want to learn about design patterns that can help them create more effective IT systems.

See salaries and explore the career path for IT Manager

Technical Writer

Technical Writers document software systems. They work with Software Engineers, Software Developers, and other technical professionals to create documentation that is clear, concise, and accurate. This course may be useful for Technical Writers who want to learn about design patterns that can help them create more effective documentation.

See salaries and explore the career path for Technical Writer

Software Tester

Software Testers test software systems to find and fix bugs. They work with Software Engineers, Software Developers, and other technical professionals to ensure that software systems are free of defects. This course may be useful for Software Testers who want to learn about design patterns that can help them create more effective software tests.

See salaries and explore the career path for Software Tester

Project Manager

Project Managers plan and execute software development projects. They work with Software Engineers, Software Developers, and other project stakeholders to ensure that projects are completed on time, within budget, and to the required quality. This course may be useful for Project Managers who want to learn about design patterns that can help them create more effective software development projects.

See salaries and explore the career path for Project Manager

Reading list

We've selected 17 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 Design Patterns in Java: Behavioral.

Design Patterns

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This classic book introduces the Gang of Four design patterns, which are the basis for the behavioral design patterns covered in this course. It provides a comprehensive overview of the patterns and their implementation in Java.

Design Patterns in Java

Behavioral

What's inside

Syllabus

Good to know

Save this course

Activities

Career center

Reading list

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