OnJava8-Examples/objects/ShowProperties.java

// objects/ShowProperties.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

public class ShowProperties {
  public static void main(String[] args) {
    System.getProperties().list(System.out);
    System.out.println(System.getProperty("user.name"));
    System.out.println(
      System.getProperty("java.library.path"));
  }
}
/* Output: (First 20 Lines)
-- listing properties --
java.runtime.name=OpenJDK Runtime Environment
sun.boot.library.path=C:\Program Files\OpenJDK\java-
se-8u41...
java.vm.version=25.40-b25
java.vm.vendor=Oracle Corporation
java.vendor.url=http://java.oracle.com/
path.separator=;
java.vm.name=OpenJDK Client VM
file.encoding.pkg=sun.io
user.script=
user.country=US
sun.java.launcher=SUN_STANDARD
sun.os.patch.level=
java.vm.specification.name=Java Virtual Machine
Specification
user.dir=C:\Git\OnJava8\ExtractedExamples\objects
java.runtime.version=1.8.0_41-b04
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs=C:\Program Files\OpenJDK\java-
se-8u41...
os.arch=x86
java.io.tmpdir=C:\Users\Bruce\AppData\Local\Temp\
                  ...
*/