Java遍历系统+JVM属性

		Properties ps =System.getProperties();
		Enumeration pn = ps.propertyNames();
		  
		   while(pn.hasMoreElements()){
		    String name = (String)pn.nextElement();
		    String value =(String)ps.getProperty(name);
		   
		    System.out.println (name+"="+value);
		   }
		
        System.setProperty("jmagick.systemclassloader","no");