System.getProperty()系统参数_综合

Properties props=System.getProperties(); //系统属性
System.out.println("Java的运行环境版本：" +props.getProperty( "java.version" ));
System.out.println("Java的运行环境供应商：" +props.getProperty( "java.vendor" ));
System.out.println("Java供应商的URL：" +props.getProperty( "java.vendor.url" ));
System.out.println("Java的安装路径：" +props.getProperty( "java.home" ));
System.out.println("Java的虚拟机规范版本：" +props.getProperty( "java.vm.specification.version" ));
System.out.println("Java的虚拟机规范供商：" +props.getProperty( "java.vm.specification.vendor" ));
System.out.println("Java的虚拟机规范名称：" +props.getProperty( "java.vm.specification.name" ));
System.out.println("Java的虚拟机实现版本：" +props.getProperty( "java.vm.version" ));
System.out.println("Java的虚拟机实现供应商：" +props.getProperty( "java.vm.vendor" ));
System.out.println("Java的虚拟机实现名称：" +props.getProperty( "java.vm.name" ));
System.out.println("Java运行时环境规范版本：" +props.getProperty( "java.specification.version" ));
System.out.println("Java运行时环境规范供应商：" +props.getProperty( "java.specification.vender" ));
System.out.println("Java运行时环境规范名称：" +props.getProperty( "java.specification.name" ));
System.out.println("Java的类格式版本号：" +props.getProperty( "java.class.version" ));
System.out.println("Java的类路径：" +props.getProperty( "java.class.path" ));
System.out.println("加载库时搜索的路径列表：" +props.getProperty( "java.library.path" ));
System.out.println("默认的临时文件路径：" +props.getProperty( "java.io.tmpdir" ));
System.out.println("一个或多个扩展目录的路径：" +props.getProperty( "java.ext.dirs" ));
System.out.println("操作系统的名称：" +props.getProperty( "os.name" ));
System.out.println("操作系统的构架：" +props.getProperty( "os.arch" ));
System.out.println("操作系统的版本：" +props.getProperty( "os.version" ));
System.out.println("文件分隔符：" +props.getProperty( "file.separator" )); //在 unix 系统中是＂／＂
System.out.println("路径分隔符：" +props.getProperty( "path.separator" )); //在 unix 系统中是＂:＂
System.out.println("行分隔符：" +props.getProperty( "line.separator" )); //在 unix 系统中是＂/n＂
System.out.println("用户的账户名称：" +props.getProperty( "user.name" ));
System.out.println("用户的主目录：" +props.getProperty( "user.home" ));
System.out.println("用户的当前工作目录：" +props.getProperty( "user.dir" ));