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Introduction to Programming

You're reading from   Introduction to Programming Learn to program in Java with data structures, algorithms, and logic

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788839129
Length 722 pages
Edition 1st Edition
Languages
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Author (1):
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Nick Samoylov Nick Samoylov
Author Profile Icon Nick Samoylov
Nick Samoylov
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Toc

Table of Contents (21) Chapters Close

Preface 1. Java Virtual Machine (JVM) on Your Computer FREE CHAPTER 2. Java Language Basics 3. Your Development Environment Setup 4. Your First Java Project 5. Java Language Elements and Types 6. Interfaces, Classes, and Object Construction 7. Packages and Accessibility (Visibility) 8. Object-Oriented Design (OOD) Principles 9. Operators, Expressions, and Statements 10. Control Flow Statements 11. JVM Processes and Garbage Collection 12. Java Standard and External Libraries 13. Java Collections 14. Managing Collections and Arrays 15. Managing Objects, Strings, Time, and Random Numbers 16. Database Programming 17. Lambda Expressions and Functional Programming 18. Streams and Pipelines 19. Reactive Systems 20. Other Books You May Enjoy

Exercise – Monitoring JVM while running an application

Read the Java official documentation and name a few tools that come with JDK installation that can be used to monitor JVM and the Java application.

Answer

Jcmd, Java VisualVM, and JConsole, for example. Jcmd is particularly helpful as it is easy to remember and gives you the list of all Java processes that are currently running. Just type jcmd in the terminal window. That is an indispensable tool in case you are experimenting with several Java applications and some of them may not exit, whether because of a defect or because of such an intended design. Jcmd displays a Process ID (PID) for each running Java process, which you can use to stop it if need be by typing...

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