在使用Java进行开发的时候，常常需要用到系统的一些属性，可以通过调用java.lang.system类中的getProperties()方法或getProperty(String key)方法来获取当前系统的属性。
1
java.util.Properties currentProperties =
System.getProperties();//获取当前系统所有的属性
2currentProperties.list(System.out);//在屏幕上输出
java.util.Properties currentProperties =
System.getProperties();//获取当前系统所有的属性2
currentProperties.list(System.out);//在屏幕上输出
// 通过指定属性名，获取相应的系统属性
1String osName = System.getProperty("os.name"
);
2String osVersion = System.getProperty("os.version"
);
3String osArch = System.getProperty("os.arch"
);
4String userName = System.getProperty("user.name"
);
5String userHome = System.getProperty("user.home"
);
6String userDir = System.getProperty("user.dir"
);
7String userTimezone = System.getProperty("user.timezone"
);
8String javaHome = System.getProperty("java.home"
);
9String javaVersion = System.getProperty("java.version"
);
10String javaClassPath = System.getProperty("java.class.path"
);
11String javaClassVersion = System.getProperty("java.class.version"
);
12String javaVendor = System.getProperty("java.vendor"
);
13String javaVendorURL = System.getProperty("java.vendor.url"
);
14String pathSeparator = System.getProperty("path.separator"
);
15String lineSeparator = System.getProperty("line.separator"
);
16String fileSeparator = System.getProperty("file.separator"
);
17String fileEncoding = System.getProperty("file.encoding");
1
String osName = System.getProperty("os.name"
);2
String osVersion = System.getProperty("os.version"
);3
String osArch = System.getProperty("os.arch"
);4
String userName = System.getProperty("user.name"
);5
String userHome = System.getProperty("user.home"
);6
String userDir = System.getProperty("user.dir"
);7
String userTimezone = System.getProperty("user.timezone"
);8
String javaHome = System.getProperty("java.home"
);9
String javaVersion = System.getProperty("java.version"
);10
String javaClassPath = System.getProperty("java.class.path"
);11
String javaClassVersion = System.getProperty("java.class.version"
);12
String javaVendor = System.getProperty("java.vendor"
);13
String javaVendorURL = System.getProperty("java.vendor.url"
); 14
String pathSeparator = System.getProperty("path.separator"
); 15
String lineSeparator = System.getProperty("line.separator"
);16
String fileSeparator = System.getProperty("file.separator"
);17
String fileEncoding = System.getProperty("file.encoding");
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