System Properties « Development Class « Java






1.Get system properties using System class
2.Get Java specification version using System class
3.Display System PropertiesDisplay System Properties
4.Use System.getenv to get environment variables
5.Machine User NameMachine User Name
6.Get username of system current user
7.Check Version
8.Get Java Runtime Environment (JRE) version?
9.Clear system property: The System.clearProperty() method available in Java 1.5








10.Dealing with the Java environment
11.Get operating system temporary directory / folder
12.List one or more item(s) from System Properties
13.System.setProperty("apple.laf.useScreenMenuBar", "true")
14.Get Java Home directory
15.Determine operating system using System class
16.Setting the Value of a System Property from the Command Line: add -D option to the java command when running your program.
17.Get path / classpath separator
18.Get file separator symbol
19.Get operating system name and version
20.Get user home directory name
21.Set a system property
22.Dump PropsDump Props
23.Get Environment Variables
24.This program prints out all system properties