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Optimizing Code in Java

AdvancedSkill Level
4.8+
127 reviews
Updated 12/2025
Learn key techniques to optimize Java performance, from algorithm efficiency to JVM tuning and multithreading.
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JavaProgramming3 hr12 videos36 Exercises2,750 XPStatement of Accomplishment

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Course Description

Understanding Code Performance Fundamentals

Performance optimization is a critical skill for Java developers building enterprise-scale applications. This course provides a comprehensive foundation in code optimization techniques, from algorithmic complexity analysis to advanced performance patterns. You'll learn systematic approaches to identify, measure, and optimize performance bottlenecks in Java applications.


Advanced Performance Analysis

Begin with a deep dive into algorithmic complexity using Big-O notation. Through practical implementations with Java collections, you'll learn to evaluate both time and space complexity trade-offs. You'll master the selection of appropriate data structures based on performance requirements, understanding the implications of choosing between Lists, Sets, and Maps in different scenarios.


JVM Performance Optimization

Develop expertise in Java Virtual Machine internals and performance measurement. Learn to utilize professional tools to monitor crucial metrics including CPU utilization, memory consumption, and latency. You'll gain practical experience with garbage collection mechanisms and Just-In-Time compilation, enabling you to design applications that leverage the JVM's optimization capabilities effectively.


Enterprise-Scale Performance Patterns

Explore advanced optimization techniques essential for high-performance applications. Master concurrent programming with multi-threading and asynchronous operations, implement efficient caching strategies, and utilize initialization patterns that enhance application performance. Through practical examples, you'll learn to apply these patterns in real-world scenarios.
Upon completion, you'll possess the technical expertise to analyze application performance, implement optimization strategies, and design high-performance Java applications. This course equips you with the skills needed to address performance challenges in enterprise environments and build scalable, efficient systems.

Prerequisites

Input/Output and Streams in Java
1

Fundamentals of Software Performance

In this chapter, you'll develop essential skills in software efficiency analysis. You will learn to evaluate time and space complexity and compare the performance of sets, maps, and lists. By the end, you'll have the analytical foundation to assess software performance and select appropriate data structures for your Java applications.
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2

Measuring Code Performance

This chapter equips you with essential techniques for measuring the performance of Java applications. You'll learn to identify bottlenecks using System.nanoTime(), understand JVM memory architecture, track memory and CPU usage, and explore how garbage collection and JIT compilation affect your code's efficiency.
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3

Improving Code Performance

Optimizing Code in Java
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Don’t just take our word for it

*4.8
from 127 reviews
83%
15%
2%
0%
0%
  • Trang
    2 days ago

  • Santiago
    3 days ago

    Curso más avanzado e importante

  • Kemal
    4 days ago

  • Jessica
    5 days ago

  • Manuel
    last week

  • SHANNON PHOEBE LYNN
    last week

Trang

"Curso más avanzado e importante"

Santiago

Kemal

FAQs

Is this course suitable for beginners in Java?

This course is intended for intermediate Java learners. You should be familiar with basic Java programming, object-oriented concepts, and common data structures like lists, sets, and maps.

What will I be able to do after completing this course?

You’ll be able to identify performance bottlenecks, apply algorithmic and data structure optimizations, and take advantage of JVM features like JIT compilation and garbage collection tuning. You’ll also gain the confidence to use concurrency and caching to improve throughput and scalability.

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