Java获取JDK和平台OS的基本信息

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"));