java安全性编程实例电子版书附源码,是网络安全编程者不可多得的好书

				grant codeBase "file:/c:/java/ch8/-" {
				  permission  SuffixPermission ".txt";
				  permission  SuffixPermission ".bat";
				  permission  SuffixPermission ".class";
				  permission  SuffixPermission ".jar";
				  permission  java.io.FilePermission "c:\\-","read";
				};