June 2018
Beginner
722 pages
18h 47m
English
Content preview from Introduction to Programming
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Command jcmd and other commands
There are more than a dozen other Java commands (tools and utilities) that you will only start using probably after several years of professional programming, if at all. They are all described in the Oracle Java documentation online. Just search the Java utilities and tools.
Among them, we find only one command that is very useful from day one of Java programming. It is the command jcmd. If you run it, it displays all of the Java processes (JVM instances) that are running on your computer. In this example, you can see three Java processes, with the process IDs 3408, 3458, and 3454:
Process 3408 runs the Maven ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.