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Introduction to Programming

Introduction to Programming

By : Nick Samoylov
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Introduction to Programming

Introduction to Programming

By: Nick Samoylov

Overview of this book

Have you ever thought about making your computer do what you want it to do? Do you want to learn to program, but just don't know where to start? Instead of guiding you in the right direction, have other learning resources got you confused with over-explanations? Don't worry. Look no further. Introduction to Programming is here to help. Written by an industry expert who understands the challenges faced by those from a non-programming background, this book takes a gentle, hand-holding approach to introducing you to the world of programming. Beginning with an introduction to what programming is, you'll go on to learn about languages, their syntax, and development environments. With plenty of examples for you to code alongside reading, the book's practical approach will help you to grasp everything it has to offer. More importantly, you'll understand several aspects of application development. As a result, you'll have your very own application running by the end of the book. To help you comprehensively understand Java programming, there are exercises at the end of each chapter to keep things interesting and encourage you to add your own personal touch to the code and, ultimately, your application.
Table of Contents (21 chapters)
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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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