java 获取路径等信息

System.out.println(Thread.currentThread().getContextClassLoader().getResource(“”));
System.out.println(SerDoc.class.getClassLoader().getResource(“”));
System.out.println(ClassLoader.getSystemResource(“”));
System.out.println(SerDoc.class.getResource(“”));
System.out.println(SerDoc.class.getResource(“/”)); //Class文件所在路径
System.out.println(new File(“/”).getAbsolutePath());
System.out.println(System.getProperty(“user.dir”));
System.out.println(“Java运行时环境版本:/n”+System.getProperty(“java.version”));
System.out.println(“Java 运行时环境供应商:/n”+System.getProperty(“java.vendor”));
System.out.println(“Java 供应商的URL:/n”+System.getProperty(“java.vendor.url”));
System.out.println(“Java安装目录:/n”+System.getProperty(“java.home”));
System.out.println(“Java 虚拟机规范版本:/n”+System.getProperty(“java.vm.specification.version”));
System.out.println(“Java 类格式版本号:/n”+System.getProperty(“java.class.version”));
System.out.println(“Java类路径：/n”+System.getProperty(“java.class.path”));
System.out.println(“加载库时搜索的路径列表:/n”+System.getProperty(“java.library.path”));
System.out.println(“默认的临时文件路径:/n”+System.getProperty(“java.io.tmpdir”));
System.out.println(“要使用的 JIT 编译器的名称:/n”+System.getProperty(“java.compiler”));
System.out.println(“一个或多个扩展目录的路径:/n”+System.getProperty(“java.ext.dirs”));
System.out.println(“操作系统的名称:/n”+System.getProperty(“os.name”));
System.out.println(“操作系统的架构:/n”+System.getProperty(“os.arch”));
System.out.println(“操作系统的版本:/n”+System.getProperty(“os.version”));
System.out.println(“文件分隔符（在 UNIX 系统中是“/”）:/n”+System.getProperty(“file.separator”));
System.out.println(“路径分隔符（在 UNIX 系统中是“:”）:/n”+System.getProperty(“path.separator”));
System.out.println(“行分隔符（在 UNIX 系统中是“/n”）:/n”+System.getProperty(“line.separator”));
System.out.println(“用户的账户名称:/n”+System.getProperty(“user.name”));
System.out.println(“用户的主目录:/n”+System.getProperty(“user.home”));
System.out.println(“用户的当前工作目录:/n”+System.getProperty(“user.dir”));