Java/JSP/Super Sub Class — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 10:10, 1 июня 2010
Using Superclass Variables With Subclassed Objects
<source lang="java">
<HTML>
<HEAD> <TITLE>Using Superclass Variables With Subclassed Objects</TITLE> </HEAD> <BODY>
Using Superclass Variables With Subclassed Objects
<%! javax.servlet.jsp.JspWriter localOut; class vehicle { public void start() throws java.io.IOException { localOut.println("Starting...
"); } } class aircraft extends vehicle { public void fly() throws java.io.IOException { localOut.println("Flying...
"); } } class plane extends aircraft { public void fly() throws java.io.IOException { localOut.println("Flying...
"); } } %> <% localOut = out; out.println(); out.println("Creating a plane object...
"); vehicle p = new plane(); p.start(); %> </BODY>
</HTML>
</source>