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| 23. 14. 5. 构造函数和继承 |
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<HTML>
<HEAD>
<TITLE>Working With Constructors and Inheritance</TITLE>
</HEAD>
<BODY>
<H1>Working With Constructors and Inheritance</H1>
<%!
javax.servlet.jsp.JspWriter localOut;
class BaseClass
{
BaseClass() throws java.io.IOException
{
localOut.println("In a\'s constructor...<BR>");
}
BaseClass(String s) throws java.io.IOException
{
localOut.println("In a\'s String constructor...<BR>");
localOut.println(s);
}
}
class DerivedClass extends BaseClass
{
DerivedClass(String s) throws java.io.IOException
{
super(s);
localOut.println("In b\'s String constructor...<BR>");
localOut.println(s);
}
}
%>
<%
localOut = out;
DerivedClass obj = new DerivedClass("Hello from JSP!<BR>");
%>
</BODY>
</HTML>
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