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Collections in Java SE 17

Richard Warburton

Java Collections are key to being a strong Java programmer and used in everyday situations. This course will teach you the fundamental concepts for use and data structures behind the scenes in Java Collections.

Java programmers need to have a strong understanding of Java Collections. In this course, Collections in Java SE 17, you’ll learn to program with Java Collections. First, you’ll explore the problem with just using arrays for everything or rolling your own collections. Next, you’ll discover how to use the core Java collection APIs. Finally, you’ll learn how they work under the hood and when to choose one collection over another. When you’re finished with this course, you’ll have the skills and knowledge of Java SE 17 Collections needed to be a professional Java Developer.

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What's inside

Syllabus

Course Overview

What are Collections and Why Use Them?

Collections with Iteration Order: Lists

Storing Key / Value Pairs: Maps

Introduction to Java Streams

Collection Operations and Factories

Collections with Uniqueness: Sets

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Teaches programming with Java Collections, providing a foundation for professional Java development

Develops foundational concepts for data structures and use cases in Java Collections

Teaches how to select the most appropriate Java collection for a given situation

Emphasizes problem-solving skills with Java Collections

Covers Java SE 17, ensuring relevance to current industry standards

Assumes some prior Java programming knowledge, making it suitable for intermediate learners

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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 Collections in Java SE 17 with these activities:

Review the fundamentals of data structures

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Reviewing the fundamentals of data structures will help you build a strong foundation for understanding Java Collections.

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Identify the key concepts of data structures, such as arrays, lists, and stacks
Review the operations that can be performed on each type of data structure
Practice implementing data structures in Java

Create a cheat sheet on Java Collections

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Creating a cheat sheet on Java Collections will help you memorize the key concepts and quickly reference them during the course.

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Gather information about Java Collections from the course materials
Organize the information in a clear and concise format
Create a cheat sheet in a format that is easy to access and review

Follow a tutorial on Collections in Java SE 17

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Following a tutorial on the specific version of Java Collections used in this course can help you understand the nuances of this technology.

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Follow the tutorial step-by-step
Find a tutorial that covers the basics of Collections in Java SE 17
Complete any exercises or examples provided in the tutorial

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Practice coding `Java Collections` in a sandbox environment

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Practice using Java Collections in a sandbox environment to reinforce your understanding of the concepts.

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Set up a sandbox environment
Write code to implement the concepts of Java Collections
Test your code and debug any issues

Join a study group to discuss Java Collections

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Joining a study group can provide you with opportunities to discuss the concepts of Java Collections with your peers and reinforce your understanding.

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Find or create a study group with other students taking the course
Set up regular meetings to discuss the course material
Take turns presenting the material to the group and leading discussions

Gather resources on Java Collections

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Gathering resources on Java Collections can provide you with a comprehensive collection of materials for reference and further learning.

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Search for articles, tutorials, and documentation on Java Collections
Organize the resources into a central location, such as a folder or online repository
Review the resources regularly to reinforce your understanding

Solve coding challenges on Java Collections

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Solving coding challenges on Java Collections can help you develop your problem-solving skills and apply your knowledge in practical scenarios.

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Find coding challenges on websites or platforms
Analyze the problem and design a solution using Java Collections
Implement your solution and test it thoroughly

Participate in a hackathon or competition related to Java Collections

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Participating in a hackathon or competition can provide you with a challenging and immersive experience to apply your skills in Java Collections.

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Find a hackathon or competition that focuses on Java Collections
Form a team or work independently
Develop a project or solution that demonstrates your understanding of Java Collections

Career center

Learners who complete Collections in Java SE 17 will develop knowledge and skills that may be useful to these careers:

Software Engineer

A Software Engineer is an individual who is involved in the full lifecycle of software development. This may include designing, developing, and testing software systems. They may also be involved in the maintenance and deployment of software systems. This course can help someone become a Software Engineer by providing them with a strong foundation in Java Collections. Java Collections are used in virtually all software systems, so a strong understanding of them is essential for any Software Engineer.

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Software Architect

A Software Architect is an individual who designs and builds software systems. They may also be involved in the maintenance and deployment of software systems. This course can help someone become a Software Architect by providing them with a strong foundation in Java Collections. Java Collections are used in virtually all software systems, so a strong understanding of them is essential for any Software Architect.

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Java Developer

A Java Developer is an individual who specializes in developing software using the Java programming language. They may be involved in all aspects of software development, from design to deployment. This course can help someone become a Java Developer by providing them with a strong foundation in Java Collections. Java Collections are used in virtually all Java software systems, so a strong understanding of them is essential for any Java Developer.

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Database Administrator

A Database Administrator is an individual who manages and maintains databases. They may also be involved in the design and implementation of databases. This course can help someone become a Database Administrator by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Database Administrator.

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Web Developer

A Web Developer is an individual who designs and builds websites. They may also be involved in the maintenance and deployment of websites. This course can help someone become a Web Developer by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Web Developer.

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Data Scientist

A Data Scientist is an individual who uses data to build models and make predictions. They may also be involved in the design and implementation of data science algorithms. This course can help someone become a Data Scientist by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Data Scientist.

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Machine Learning Engineer

A Machine Learning Engineer is an individual who designs and builds machine learning models. They may also be involved in the maintenance and deployment of machine learning models. This course can help someone become a Machine Learning Engineer by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Machine Learning Engineer.

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DevOps Engineer

A DevOps Engineer is an individual who works to bridge the gap between development and operations. They may be involved in the design, implementation, and maintenance of DevOps pipelines. This course can help someone become a DevOps Engineer by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any DevOps Engineer.

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Cloud Engineer

A Cloud Engineer is an individual who designs and builds cloud-based systems. They may also be involved in the maintenance and deployment of cloud-based systems. This course can help someone become a Cloud Engineer by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Cloud Engineer.

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Mobile Developer

A Mobile Developer is an individual who designs and builds mobile applications. They may also be involved in the maintenance and deployment of mobile applications. This course can help someone become a Mobile Developer by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Mobile Developer.

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Data Analyst

A Data Analyst is an individual who analyzes data to identify trends and patterns. They may use this information to make recommendations for business decisions. This course can help someone become a Data Analyst by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Data Analyst.

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Business Analyst

A Business Analyst is an individual who analyzes business processes to identify opportunities for improvement. They may also be involved in the design and implementation of new business processes. This course can help someone become a Business Analyst by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Business Analyst.

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Project Manager

A Project Manager is an individual who plans, organizes, and manages projects. They may also be involved in the budgeting and staffing of projects. This course can help someone become a Project Manager by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Project Manager.

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Product Manager

A Product Manager is an individual who is responsible for the development and marketing of a product. They may also be involved in the pricing and positioning of a product. This course can help someone become a Product Manager by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Product Manager.

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Data Engineer

A Data Engineer is an individual who designs and builds data pipelines. They may also be involved in the maintenance and deployment of data pipelines. This course can help someone become a Data Engineer by providing them with a strong foundation in Java Collections. Java Collections are used to store and organize data, so a strong understanding of them is essential for any Data Engineer.

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Reading list

We've selected 14 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 Collections in Java SE 17.

The Art of Computer Programming

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Classic in the computer science community and must-read for any serious computer scientist. It covers a wide range of topics, including algorithms, data structures, and programming techniques.

Art of Computer Programming, The: Combinatorial...

Hardcover

$$$

Effective Java (3rd Edition)

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Classic in the Java programming community and must-read for any Java developer. It covers a wide range of topics, including object-oriented programming, design patterns, and performance optimization.

Collections in Java SE 17

What's inside

Syllabus

Good to know

Save this course

Activities

Career center

Reading list

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