Packt

High Performance with Java

Packt

High Performance with Java

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Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Optimize Java applications using memory management, concurrency, and object strategies.

  • Apply profiling tools and performance libraries to enhance system efficiency.

  • Integrate AI techniques to identify bottlenecks and improve code performance.

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Recently updated!

August 2026

Assessments

18 assignments

Taught in English

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There are 18 modules in this course

This module delves into the inner workings of the Java Virtual Machine, including its architecture, garbage collection strategies, and performance optimizations. Learners will also gain hands-on experience using the javap tool to inspect Java bytecode and understand how JVM features impact application efficiency.

What's included

1 video3 readings1 assignment

This module examines how various data structures, including lists, arrays, stacks, queues, and trees, influence the performance and scalability of Java applications. Learners will explore implementation strategies, performance optimization techniques, and the selection of advanced data structures for specific use cases. Practical examples and best practices will help solidify understanding and improve coding efficiency.

What's included

1 video6 readings1 assignment

This module explores advanced techniques for improving the performance of Java applications by optimizing loop constructs. Learners will analyze common bottlenecks, implement strategies such as unrolling and vectorization, and assess the effectiveness of their optimizations through benchmarking and real-world case studies.

What's included

1 video5 readings1 assignment

This module introduces the concept of object pooling in Java, guiding learners through its implementation, benefits, and drawbacks. You will also learn how to test and measure the performance impact of object pooling to optimize resource management in your applications.

What's included

1 video3 readings1 assignment

This module guides learners through the principles of selecting and analyzing algorithms for optimal Java application performance. You will explore current trends in algorithm efficiency, including the impact of AI and ML, and learn practical strategies for testing and improving your code. By the end, you'll be equipped to assess and enhance the efficiency of your Java solutions.

What's included

1 video3 readings1 assignment

This module delves into efficient object creation strategies, the principles and benefits of immutability, and the impact of garbage collection on Java application performance. Learners will also explore how design patterns like Singleton and Factory can be leveraged to optimize object management. By the end, you'll be equipped to make informed decisions that enhance scalability and maintainability in Java development.

What's included

1 video5 readings1 assignment

This module delves into advanced string handling techniques in Java, emphasizing performance optimization through string pooling and lazy initialization. Learners will discover how to manage string objects efficiently to enhance application speed and resource utilization.

What's included

1 video2 readings1 assignment

This module delves into the causes and consequences of memory leaks in Java applications, highlighting how improper referencing, event listeners, class loaders, and thread management can impact performance. Learners will discover practical techniques for identifying and preventing memory leaks to ensure robust and efficient software.

What's included

1 video4 readings1 assignment

This module introduces key concepts in Java concurrency, including multithreading, synchronization, and modern reactive programming models. Learners will discover how to implement thread-safe strategies to improve application performance and scalability. Practical examples illustrate how to avoid common pitfalls such as race conditions.

What's included

1 video3 readings1 assignment

This module introduces the principles and benefits of connection pooling for efficient database management. Learners will explore implementation strategies in Java, discover best practices, and learn how to monitor and optimize connection pools for improved application performance.

What's included

1 video3 readings1 assignment

This module introduces the fundamentals of HTTP and its role in Java web applications, emphasizing how HTTP enables communication between clients and servers. Learners will explore practical implementation using Java's HttpClient library, with a focus on API integration, security, and performance optimization. By the end, you'll understand how to build dynamic, secure, and efficient web solutions using HTTP in Java.

What's included

1 video3 readings1 assignment

This module introduces key frameworks and strategies for optimizing Java applications, including asynchronous and buffered I/O, batch processing, and microservices architecture. Learners will discover how to enhance performance, improve resource efficiency, and implement scalable, cloud-native solutions. Practical examples and real-world implementation tips are provided throughout.

What's included

1 video5 readings1 assignment

This module introduces key Java libraries designed to enhance application performance, including tools for benchmarking, network communication, and efficient data processing. Learners will gain practical skills in analyzing performance metrics and optimizing code using industry-standard libraries.

What's included

1 video3 readings1 assignment

This module introduces a variety of Java profiling tools, including those bundled with the JDK, integrated into popular IDEs, and available as third-party solutions. Learners will compare the strengths and weaknesses of different profilers, explore practical strategies for performance analysis, and examine real-world case studies to see profiling in action.

What's included

1 video6 readings1 assignment

This module delves into effective strategies for enhancing database performance, including schema design, query optimization, and sharding. Learners will discover practical techniques and monitoring methods to ensure efficient data management in large-scale systems. Real-world examples illustrate how to implement and maintain these optimizations.

What's included

1 video3 readings1 assignment

This module introduces essential practices for sustaining high-performing Java applications, including the use of APM tools, code reviews, and logging for real-time monitoring and quality assurance. Learners will discover strategies for proactive maintenance and effective alerting to ensure ongoing reliability and performance.

What's included

1 video4 readings1 assignment

This module introduces essential techniques for testing Java applications, focusing on both unit and performance testing. Learners will discover strategies for validating code correctness, leveraging assertions, and optimizing application efficiency through automated testing practices.

What's included

1 video2 readings1 assignment

This module introduces AI-driven strategies for enhancing Java application performance, including optimization techniques, AI-powered monitoring, and integration with leading cloud AI services. Learners will also consider ethical implications when incorporating AI into software development workflows.

What's included

1 video4 readings1 assignment

Instructor

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