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Java 11 Fundamentals

Collections

In this course, you will learn why you would want to use collections instead of arrays and understand the power of lists, sets, and maps.

Working with data is fundamental to any business problem. In this course, Java Fundamentals: Collections, you will learn about Java Collections - data structures designed to store and process data in memory. First, you will discover why you would want to use collections instead of arrays. Then, you will cover the capabilities of lists, sets, maps, and also the different data structure tradeoffs. Finally, you will explore important collection algorithms and how different collection implementations work. By the end of this course, you will know how to use Java Collections to process data.

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Java Collections Lists Maps Sets Data Structures Algorithms

What's inside

Syllabus

Course Overview

What Are Collections and Why Use Them?

Collections with Iteration Order: Lists

Collections of Pairs: Maps

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what should give you pause

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Develops foundational understanding of collection data structures in Java, essential for any software developer

Taught by Richard Warburton, an experienced instructor with a strong reputation in Java programming

Covers a range of collection types (lists, sets, maps) and their practical applications

May require learners to have a basic understanding of data structures and algorithms

Focuses on Java-specific collections, which may not be immediately transferable to other programming languages

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Reviews summary

Java collections masterclass

According to students, "Java 11 Fundamentals: Collections" is a largely positive learning experience, particularly for those seeking a strong foundational understanding of Java's core collection framework. Learners frequently praise the instructor's clear explanations and the practical code examples and helpful demonstrations, making complex topics digestible. While the course provides an excellent deep dive into Lists, Sets, and Maps, some advanced learners note that it could offer more advanced real-world scenarios or cover concurrent collections in greater depth. Overall, it's considered a must-take for any Java developer looking to solidify their grasp on data structures.

Mostly well-paced and structured, but some minor inconsistencies were noted.

"The content is well-structured and easy to follow. Good paced lectures."

"My only minor gripe is that some explanations could be a bit more elaborate for complex scenarios."

"While the instructor tried, I found the pace inconsistent. Some parts dragged, others flew by."

Provides useful code examples and hands-on demonstrations.

"The code examples were spot on, directly applicable to my daily work."

"I appreciated the practical approach with real-world scenarios."

"The hands-on labs helped reinforce the concepts effectively for me."

"The examples are practical, and I found them easy to follow and apply."

Builds a robust understanding of fundamental Java Collections.

"This course really helped solidify my understanding of Java Collections, especially the nuances of Sets and Maps."

"Excellent fundamental course! The way arrays vs collections were explained made perfect sense."

"Fantastic course for anyone new to Java Collections or needing a refresher."

"My understanding has significantly improved about when to use what collection type."

The instructor excels at making complex concepts easy to grasp.

"The instructor's explanations were clear and the code examples were spot on, directly applicable to my daily work."

"It breaks down complex topics into digestible parts. The emphasis on 'why' behind using collections over arrays was a revelation."

"The explanations are precise, and the examples are perfectly chosen to illustrate the points."

"I found the instructor explains core concepts clearly, which was very helpful for me."

May not fully satisfy intermediate or advanced developers seeking more.

"I expected more on concurrent collections. It barely touches on them."

"Some parts felt a bit rushed, especially the advanced stream operations..."

"I felt it lacked depth for an intermediate developer looking to optimize or handle multi-threading."

"The examples were a bit too simple, and I wished for more advanced use cases."

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 11 Fundamentals: Collections with these activities:

Review Head First Java, 3rd Edition

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Help you review the fundamental concepts of Java before you start the course. This book is a great resource for beginners and can help you get up to speed quickly.

View Head First Java on Amazon

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Read the first three chapters in the book to get an understanding of Java's basic concepts
Complete the exercises at the end of each chapter to test your understanding of the material

Organize and Review Class Materials

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Ensure that you are well-prepared and organized throughout the course by keeping your notes and materials in order.

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Create a dedicated folder or notebook for the course materials
Download and print lecture slides and handouts
Review notes and recordings after each class session

Follow a Java Collections Tutorial

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Help you get started with Java Collections, providing step-by-step instructions and examples.

Browse courses on Java Collections

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Search for a Java Collections tutorial on a reputable website or platform
Follow the tutorial and complete all the exercises

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Attend a Study Group

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Help you engage with fellow students and reinforce your understanding of Java Collections through discussions and collaborative problem-solving.

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Find a study group or form one with classmates
Meet regularly to discuss course topics, work on assignments, and prepare for exams

Practice Java Collections with LeetCode Problems

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Help you develop a deeper understanding of Java Collections and prepare you for real-world coding interviews.

Browse courses on Java Collections

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Go to LeetCode's website and search for problems tagged with 'Java Collections'
Attempt to solve the problems on your own
Review the solutions provided by LeetCode and other sources

Attend a Java Collections Workshop

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Provide you with hands-on experience and in-depth knowledge of Java Collections, allowing you to ask questions and receive guidance from experts.

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Research and find a Java Collections workshop that aligns with your learning goals
Register for the workshop and attend all sessions

Create a Java Collections Reference Guide

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Help you consolidate your understanding of Java Collections and create a valuable resource for future reference.

Browse courses on Java Collections

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Research different types of Java Collections
Create a document or spreadsheet that summarizes the key features and use cases of each collection type
Include examples and code snippets to illustrate how to use each collection type

Career center

Learners who complete Java 11 Fundamentals: Collections will develop knowledge and skills that may be useful to these careers:

Machine Learning Engineer

A Machine Learning Engineer designs and develops machine learning models. This course in Java Collections can provide you with the skills to understand the data structures used in machine learning models and how to efficiently store and retrieve data.

See salaries and explore the career path for Machine Learning Engineer

Data Scientist

A Data Scientist uses data to build models that can predict future outcomes. This course in Java Collections can help you build a foundation in the data structures used to store and process data. This understanding is essential for a Data Scientist who needs to work with large and complex datasets.

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Data Architect

A Data Architect designs and manages data systems. This course in Java Collections can provide you with the skills to understand the data structures used in data systems and how to efficiently store and retrieve data.

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Data Analyst

A Data Analyst gathers and interprets data to find trends and patterns. This course in Java Collections can provide you with the foundation to understand the different data structures used to store and process data in memory. This understanding is essential for a Data Analyst who needs to make sense of large amounts of data.

See salaries and explore the career path for Data Analyst

Business Intelligence Analyst

A Business Intelligence Analyst uses data to identify trends and opportunities for businesses. This course in Java Collections can help you build a foundation in the data structures used to store and process data, which is essential for analyzing large and complex datasets.

See salaries and explore the career path for Business Intelligence Analyst

Financial Analyst

A Financial Analyst analyzes financial data to make investment recommendations. This course in Java Collections can provide you with the skills to understand the data structures used in financial analysis and how to efficiently store and retrieve data.

See salaries and explore the career path for Financial Analyst

Software Developer

A Software Developer designs, develops, and maintains software applications. This course in Java Collections can provide you with the skills to work with data in memory, which is essential for developing efficient and reliable software applications.

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Computer Programmer

A Computer Programmer writes and maintains code for computer software. This course in Java Collections can provide you with the skills to work with data in memory, which is essential for developing efficient and reliable software applications.

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Statistician

A Statistician collects, analyzes, and interprets data. This course in Java Collections can provide you with the skills to understand the data structures used in statistical analysis and how to efficiently store and retrieve data.

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Actuary

An Actuary uses mathematical and statistical techniques to assess risk. This course in Java Collections can provide you with the skills to understand the data structures used in risk assessment and how to efficiently store and retrieve data.

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Operations Research Analyst

An Operations Research Analyst uses mathematical and analytical techniques to solve business problems. This course in Java Collections can provide you with the skills to understand the data structures used in operations research and how to efficiently store and retrieve data.

See salaries and explore the career path for Operations Research Analyst

Quantitative Analyst

A Quantitative Analyst uses mathematical and statistical techniques to analyze financial data. This course in Java Collections can provide you with the skills to understand the data structures used in financial data and how to efficiently store and retrieve data.

See salaries and explore the career path for Quantitative Analyst

Systems Analyst

A Systems Analyst analyzes and designs computer systems. This course in Java Collections can provide you with the skills to understand the data structures used in computer systems and how to efficiently store and retrieve data.

See salaries and explore the career path for Systems Analyst

Information Security Analyst

An Information Security Analyst protects an organization's computer systems and data from unauthorized access. This course in Java Collections can provide you with the skills to understand the data structures used to store and process data, which is essential for securing sensitive information.

See salaries and explore the career path for Information Security Analyst

Database Administrator

A Database Administrator maintains and optimizes databases. This course in Java Collections can provide you with the skills to understand the data structures used in databases and how to efficiently store and retrieve data.

See salaries and explore the career path for Database Administrator

Reading list

We've selected 11 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 11 Fundamentals: Collections.

Effective Java (3rd Edition)

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Explores effective ways of using the Java Collections Framework and other core Java APIs.

Java 11 Fundamentals

Collections

What's inside

Syllabus

Traffic lights

Save this course

Reviews summary

Java collections masterclass

Activities

Career center

Reading list

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