获取JVM与JDK的基本信息

System.out.println(System.getProperty("java.version"));

System.out.println(System.getProperty("java.vendor"));

System.out.println(System.getProperty("java.vendor.url"));

System.out.println(System.getProperty("java.home"));

System.out.println(System.getProperty("java.vm.specification.version"));

System.out.println(System.getProperty("java.vm.specification.vendor"));

System.out.println(System.getProperty("java.vm.specification.name"));

System.out.println(System.getProperty("java.vm.version"));

System.out.println(System.getProperty("java.vm.vendor"));

System.out.println(System.getProperty("java.vm.name"));

System.out.println(System.getProperty("java.specification.version"));

System.out.println(System.getProperty("java.specification.vendor"));

System.out.println(System.getProperty("java.specification.name"));

System.out.println(System.getProperty("java.class.version"));

System.out.println(System.getProperty("java.class.path"));

System.out.println(System.getProperty("java.library.path"));

System.out.println(System.getProperty("java.io.tmpdir"));

System.out.println(System.getProperty("java.compiler"));

System.out.println(System.getProperty("java.ext.dirs"));

获取操作系统的基本信息

System.out.println(System.getProperty("os.name"));

System.out.println(System.getProperty("os.arch"));

System.out.println(System.getProperty("os.version"));

System.out.println(System.getProperty("file.separator"));

System.out.println(System.getProperty("path.separator"));

System.out.println(System.getProperty("line.separator"));

System.out.println(System.getProperty("user.name"));

System.out.println(System.getProperty("user.home"));

System.out.println(System.getProperty("user.dir"));