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Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Listing descendants

Listing the descendants is very similar to listing children, but if we call the processHandle.descendants() method then the Stream will contain all the children processes and the children processes of those processes and so on. The following program starts command prompts with command-line arguments so that they also spawn another cmd.exe that terminates:

    package packt.mastering.java9.process;    import java.io.IOException;    import java.util.stream.Collectors;    public class DescendantLister {      public static void main(String[] args) throws IOException {        for (int i = 0; i < 10; i++) {          new ProcessBuilder().command("cmd.exe","/K","cmd").                           start();        }        System.out.println("Number of descendants: " + ProcessHandle.current().descendants().count(); ...
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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page