sld041.htm

来自「an excellent java tutorial for the ones 」· HTM 代码 · 共 65 行

HTM
65
字号

<!--  Presentation generated by Internet Assistant for Microsoft PowerPoint 97 -->

<HTML>
<HEAD>
<META HTTP-EQUIV="Context-Type" CONTEXT="text/html;charset=windows-1252">
<meta name="GENERATOR" content="Microsoft Internet Assistant for Microsoft PowerPoint 97">
 <TITLE>Abstract</TITLE> 
</HEAD>

<BODY     >

<CENTER>
<TABLE WIDTH=100%> 
     <TR> <TD WIDTH=15% ALIGN=CENTER>
         <A HREF="sld001.htm"><IMG SRC="first.gif" BORDER=0 ALT="First"></A><BR> 
         <A HREF="sld040.htm"><IMG SRC="prev.gif" BORDER=0 ALT="Previous"></A><BR> 
         <A HREF="sld042.htm"><IMG SRC="next.gif" BORDER=0 ALT="Next"></A><BR> 
         <A HREF="sld101.htm"><IMG SRC="last.gif" BORDER=0 ALT="Last"></A><BR> 
<BR> 
         <A HREF="index.htm"><IMG SRC="info.gif" BORDER=0 ALT="Index"></A><BR> 
         <A HREF="www.cs.nott.ac.uk/~azt"><IMG SRC="home.gif" BORDER=0 ALT="Home"></A><BR> 
         <A HREF="tsld041.htm"><IMG SRC="text.gif" BORDER=0 ALT="Text"></A><BR> 
         <TD WIDTH=85% ALIGN=CENTER>         <IMG SRC="img041.GIF" usemap="#Objmap" WIDTH=800 HEIGHT=600 BORDER=0>
         </TD>         </TD></TABLE>
<P>Slide 41 of 101</P>
</CENTER>
<!-- <UL>
<H2>Abstract</H2>
<BR></UL></P>
<P><UL>
- Classes 
<BR><UL>
<LI> can抰 be instantiated
</UL></UL><UL>
- Methods 
<UL>
<LI> can抰 have any implementation
<LI> need implementation from their children</UL></UL></P>
<P><UL>
abstract class Shape {
<BR></UL><UL>
     protected int edges_num;	
</UL><UL>
     abstract void draw();	
</UL><UL>
}
</UL><UL>

</UL><UL>
class Star extends Shape{
</UL><UL>
	Star(int _edges) {
</UL><UL>
	edges_num = _edges;
</UL><UL>
	}
</UL><UL>
	public void draw() {}
</UL><UL>
}</UL></P>
<P>  -->
</Body>
</HTML>

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?