System.getProperty()方法
public class SystemProperty {
?public static void main(String args[]) {??
??? System.out.println("java_vendor:" + System.getProperty("java.vendor"));??
??? System.out.println("java_vendor_url:"??
???????????? + System.getProperty("java.vendor.url"));??
??? System.out.println("java_home:" + System.getProperty("java.home"));??
??? System.out.println("java_class_version:"??
???????????? + System.getProperty("java.class.version"));??
??? System.out.println("java_class_path:"??
??????????? + System.getProperty("java.class.path"));??
??? System.out.println("os_name:" + System.getProperty("os.name"));??
??? System.out.println("os_arch:" + System.getProperty("os.arch"));??
??? System.out.println("os_version:" + System.getProperty("os.version"));??
??? System.out.println("user_name:" + System.getProperty("user.name"));??
??? System.out.println("user_home:" + System.getProperty("user.home"));??
??? System.out.println("user_dir:" + System.getProperty("user.dir"));??
??? System.out.println("java_vm_specification_version:"??
??????????? + System.getProperty("java.vm.specification.version"));??
??? System.out.println("java_vm_specification_vendor:"??
??????????? + System.getProperty("java.vm.specification.vendor"));??
??? System.out.println("java_vm_specification_name:"??
??????????? + System.getProperty("java.vm.specification.name"));??
??? System.out.println("java_vm_version:"??
??????????? + System.getProperty("java.vm.version"));??
??? System.out.println("java_vm_vendor:"??
??????????? + System.getProperty("java.vm.vendor"));??
??? System.out??
??????????? .println("java_vm_name:" + System.getProperty("java.vm.name"));??
??? System.out.println("java_ext_dirs:"??
??????????? + System.getProperty("java.ext.dirs"));??
??? System.out.println("file_separator:"??
??????????? + System.getProperty("file.separator"));??
??? System.out.println("path_separator:"??
??????????? + System.getProperty("path.separator"));??
??? System.out.println("line_separator:"??
??????????? + System.getProperty("line.separator"));??
}??
