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If you complete the course successfully, your electronic Course Certificate will be added to your Accomplishments page - from there, you can print your Course Certificate or add it to your LinkedIn profile.

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This course is currently available only to learners who have paid or received financial aid, when available.

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Modern Java Fundamentals & Data Structures

Modern Java Fundamentals & Data Structures

This course is part of Java Coding Problems Specialization

Instructor: Packt - Course Instructors

Included with Learn more

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5 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

8 hours to complete

Flexible schedule

Learn at your own pace

5 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

8 hours to complete

Flexible schedule

Learn at your own pace

What you'll learn

Apply modern Java features including text blocks, switch expressions, and pattern matching in applications.
Create and manage records, immutable objects, dates, arrays, collections, and related data structures.
Analyze and implement appropriate Java collections and data structures for common programming tasks.

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Build your subject-matter expertise

This course is part of the Java Coding Problems Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

Learn new concepts from industry experts
Gain a foundational understanding of a subject or tool
Develop job-relevant skills with hands-on projects
Earn a shareable career certificate

There are 5 modules in this course

Modern Java continues to evolve with powerful language features and enhanced programming capabilities that help developers write cleaner, more efficient, and maintainable code. This course provides a comprehensive introduction to essential modern Java concepts, from core language fundamentals to practical data structures used in real-world software development.

Through hands-on exploration of text blocks, locales, numerical operations, object design, immutability, and modern control-flow constructs, learners will strengthen their ability to build robust Java applications. The course also develops practical skills for working with dates, records, collections, and data structures that are commonly encountered in professional development environments. What sets this course apart is its focus on contemporary Java features alongside foundational programming concepts. By combining language theory with practical implementation examples, learners gain knowledge that can be immediately applied to software development projects. This course is ideal for aspiring Java developers, software engineers, and technical professionals seeking to strengthen their understanding of modern Java. Learners should have a basic understanding of programming concepts and familiarity with Java syntax. This course is part one of a three-course Specialization designed to provide a comprehensive learning pathway in this subject area. While it delivers standalone value and practical skills, learners seeking a more integrated and in-depth progression may benefit from completing the full Specialization.

This module introduces advanced string handling with text blocks and string templates, explores locale-sensitive operations, and demonstrates modern approaches to numbers and mathematical computations in recent JDK versions. Learners will gain practical skills in writing cleaner, more efficient Java code using these features.

What's included

1 video7 readings1 assignment

1 videoTotal 1 minute

Overview1 minute

7 readingsTotal 100 minutes

Introduction8 minutes
Before JDK 84 minutes
Hooking Text Blocks Syntax7 minutes
Shifting the Closing Delimiter and/or the Content28 minutes
JDK 86 minutes
What's a String Template40 minutes
Choosing an Algorithm by Name7 minutes

1 assignmentTotal 16 minutes

Java Fundamentals and String Manipulation16 minutes

This module delves into advanced Java features including immutability, switch expressions, pattern matching, and character encoding schemes such as ASCII and UTF-16. Learners will explore practical coding scenarios, understand the nuances of object handling, and tackle common pitfalls like null pointer exceptions and type erasure. By the end, you'll be equipped to write more robust and modern Java code.

What's included

1 video14 readings1 assignment

1 videoTotal 1 minute

Overview1 minute

14 readingsTotal 119 minutes

Introduction7 minutes
Introducing ASCII Encoding Scheme or Single-byte Encoding6 minutes
UTF-164 minutes
Java and Unicode11 minutes
Adding Attributes5 minutes
Regions in External Snippets5 minutes
JDK 16+6 minutes
Tackling the Initialization-on-Demand Holder Design Pattern6 minutes
Erasure of Generic Types6 minutes
Polymorphic Overloading in a Nutshell5 minutes
Erasure vs. Overloading9 minutes
WARNING 1! NPE When Calling an Instance Method via a Null Object4 minutes
WARNING 5! NPE When Accessing a Field via a Getter11 minutes
The Scope of Binding Variables in Pattern Matching34 minutes

1 assignmentTotal 16 minutes

Java Programming Concepts and Best Practices16 minutes

This module introduces advanced techniques for manipulating dates and times in Java, including the use of the Calendar API and modern JDK Date/Time APIs. Learners will explore specialized classes such as ChronoUnit, TemporalAdjusters, and new formatting patterns available in JDK 16+. Practical exercises reinforce precision handling and real-world date-time scenarios.

What's included

1 video2 readings1 assignment

This module delves into Java records and record patterns, highlighting their use for immutable data structures, validation, and concise code. Learners will explore advanced features such as serialization, nested records, type inference, and integration with frameworks like Spring Boot and JPA. Practical examples and problems reinforce understanding of how these features enhance code clarity and maintainability.

What's included

1 video10 readings1 assignment

1 videoTotal 1 minute

Overview1 minute

10 readingsTotal 73 minutes

Introduction9 minutes
Handling Validation6 minutes
A Record Cannot Be Extended6 minutes
How Serialization/Deserialization Works6 minutes
Deserializing a Malicious Stream9 minutes
Nested Records and Record Patterns8 minutes
Type Argument Inference10 minutes
Unnamed Patterns6 minutes
In a Catch Block6 minutes
DTO via Record Constructor7 minutes

1 assignmentTotal 16 minutes

Java Records and Pattern Matching Fundamentals16 minutes

This module introduces advanced Java data structures and APIs, including the Vector API for parallel data processing and the Sequenced Collections API for enhanced collection manipulation. Learners will explore practical implementations of structures like Rope, Skip List, K-D Tree, and Binomial Heap, and analyze efficient algorithms for data retrieval and manipulation.

What's included

1 video16 readings1 assignment

1 videoTotal 1 minute

Overview1 minute

16 readingsTotal 104 minutes

Introduction8 minutes
The Vector Element Type6 minutes
Creating Vectors5 minutes
Creating Vectors from Memory Segments15 minutes
Factory Methods for Maps4 minutes
Factory Methods for Sets6 minutes
Applying the Sequenced Collections API to ArrayList and LinkedList6 minutes
Applying the Sequenced Collections API to TreeSet5 minutes
Applying the Sequenced Collections API to SortedMap (TreeMap)5 minutes
Implementing Insert Node Index String6 minutes
Implementing Delete Integer Data6 minutes
Finding the Nearest Neighbor9 minutes
Implementing Insert Key4 minutes
Implementing unionHeap BinomialHeap Heap7 minutes
Encoding the String6 minutes
Implementing Insert Interval6 minutes

1 assignmentTotal 16 minutes

Data Structures and Collection Fundamentals16 minutes

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Instructor

Packt - Course Instructors

Packt

2,082 Courses614,592 learners

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Frequently asked questions

Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.

If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.

Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.