【摘要】 <正> 1.引言 Java是Sun Microsystem公司开发的新一代面向对象的程序设计语言,其最主要设计目标之一是平台无关性以及可移植性,能很好地解决国际互连网的异构问题。随着以WWW为代表的Internet的迅速崛起,Java语言已被广泛接受,成为主流程序设计语言之一。更多还原

【Abstract】 Java program language, with feature of platform independent and portable, is suitable for building distributed application in Internet environment. Java provides a set of security mechanism to protect host against malicious code. In this paper we analysis the principle of Java security model and constitution of it’ s architecture,and expatiate key implementation technology and deficiency. By comparing with requirements in distributed application,We put forward some extension for Java security.更多还原