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Java Memory Management

You're reading from   Java Memory Management A comprehensive guide to garbage collection and JVM tuning

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Product type Paperback
Published in Nov 2022
Publisher Packt
ISBN-13 9781801812856
Length 146 pages
Edition 1st Edition
Languages
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Authors (2):
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Maaike van Putten Maaike van Putten
Author Profile Icon Maaike van Putten
Maaike van Putten
Dr. Seán Kennedy Dr. Seán Kennedy
Author Profile Icon Dr. Seán Kennedy
Dr. Seán Kennedy
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Table of Contents (10) Chapters Close

Preface 1. Chapter 1: Different Parts of the Java Memory 2. Chapter 2: Primitives and Objects in Java Memory FREE CHAPTER 3. Chapter 3: Zooming in on the Heap Space 4. Chapter 4: Freeing Memory with Garbage Collection 5. Chapter 5: Zooming in on the Metaspace 6. Chapter 6: Configuring and Monitoring the Memory Management of the JVM 7. Chapter 7: Avoiding Memory Leaks 8. Index 9. Other Books You May Enjoy

Understanding computer memory and Java memory

First things first – running applications, Java or not, requires computer memory. The application’s memory is the physical memory of the computer. Having more knowledge about the memory of the computer is going to help in our understanding of Java memory. Therefore, let’s discuss the concept of memory and Java memory in a bit more detail.

Computer memory

Chances are that you already know this, but just to reiterate: a computer has memory. This is the part of the computer that is used for storing information that is used for executing processes. We also call this the main memory or sometimes primary storage. An important point to make here is that this is different from computer storage, where long-term information is stored. This storage is long-term because the HDD storage stores the information magnetically and the SDD can be qualified as Electrically Erasable Programmable Read-Only Memory (EEPROM). They don...

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