java system getproperty

In Java, the system. getproperty () parameter is as follows: Java. Version JavaRuntime Environment versionJava. Vendor JavaRuntime Environment vendorJava. Vendor. url JavaVendor URLJava. Home JavaInstallation DirectoryJava. VM. Specification.

System. getProperty () method System. out. println ("java version:" + System. getProperty ("java. version"); // java versionSystem. out. println ("Java provider name:" + System. getProperty ("java. vendor"); // Java provider nameSystem. out. println

System. Out. println ("Java version:" + system. getproperty ("Java. Version"); // Java versionSystem. Out. println ("Java provider name:" + system. getproperty ("Java. Vendor"); // Java provider nameSystem. Out. println ("Java provider Website:" +

System. Out. println ("Java. Home:" + system. getproperty ("Java. Home ")); System. Out. println ("Java. Class. Path:" + "Java. Home" + system. getproperty ("Java. Class. Path ")); System. Out. println ("Java. Specification. Version:" + system.

It mainly uses the properties class in the util package provided by Java. Let's talk about the Code: View plaincopy to clipboardprint?Import java. util .*; Public class yourjavaproperties {Public static void main (string ARGs []) {Properties props =

String getproperty (string key, string DEF) gets the system attribute described with the specified key. * If the key is the key of the configuration file such as the key system environment or properties, such as OS. name, return the value of the key

First, describeThere are two ways to get the properties of a system in Java:1. You can use the methods in the System class: public static Properties GetProperties () gets the various propertiesThe method returns a properties class that inherits from

The system. getproperty (string name) method is used to obtain the system attributes. System is a class in the lang package. This class has a lot of practical methods to deal with the system, and is generally a class Method,. getproperty (string key)

System. getproperty () Parameters# Java. Version Java Runtime Environment version# Java. Vendor Java Runtime Environment vendor# Java. Vendor. url Java vendor URL# Java. Home Java installation directory# Java. VM. Specification. Version Java Virtual

System supports standard input, standard output, and error output streams, access to externally defined attributes and environment variables, and methods for loading files and libraries; there is also a practical method to quickly copy part of the