23号球衣

2008-07-14

java IO

关键字: io

InputSteam & OutputSteam InputStream (InputStreamReader) BufferedInputStream : used as other input stream's wrapper. ByteArrayInputStream : new ByteArrayInputStream(byteContent), A ByteArrayInputStream contains an internal buffer that contains bytes that may be read from the stream ...

13:51
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分类: java

2008-06-24

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Class简单使用

关键字: rtti

//how to get class Class clazz = String.class; clazz = int.class; String s = "abc"; clazz = s.getClass(); clazz = Class.forName("java.util.ArrayList"); //create instance using default constructor List list = (List) clazz.newInstance(); //isXX ...

10:07
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分类: java

2008-06-23

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regexp 简单运用

关键字: regexp

//split String s = "hello world i am 23 years"; String[] ss = s.split("\\s"); //replace &nbs ...

10:37
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分类: java

2008-05-29

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ImageServlet

关键字: servlet

public class ImageServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { //get the image parameter ...

14:26
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分类: java

2006-12-15

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