java×ÀÃæ³ÌÐòÖ®Òþ²ØÊó±ê
Òþ²Ø´°ÌåÄÚµÄÊó±êÖ¸Õ룬ֱ½ÓÉÏ´úÂë
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.image.MemoryImageSource;
import javax.swing.JFrame;
public class HideCursor extends JFrame {
HideCursor() {
this.setBounds(300, 300, 300, 300);
this.setTitle("Êó±ê½øÀ´¾ÍÊÇËÀ");
this.setVisible(true);
this.setDefaultCloseOperation(3);
this.hideCursor();
}
public void hideCursor() {
Image image = Toolkit.getDefaultToolkit().createImage(
new MemoryImageSource(0, 0, new int[0], 0, 0));
this.setCursor(Toolkit.getDefaultToolkit().createCustomCursor(image,
new Point(0, 0), null));
}
public static void main(String args[])
{
new HideCursor();
}
}
Ïà¹ØÎĵµ£º
http://blog.csdn.net/ycyangcai/archive/2009/06/21/4285997.aspx
1.ÉùÃ÷Ò»¸ömap: Map map = new HashMap();
2.ÏòmapÖзÅÖµ,×¢Ò⣺mapÊÇkey-valueµÄÐÎʽ´æ·ÅµÄ.Èç:
map.put("sa","dd");
3.´ÓmapÖÐȡֵ:String str = map.get("sa").toString();½á¹ûÊÇ:str = "dd";
4.±éÀúÒ»¸ömap£¬´Ó ......
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class ConvertMapToList {
/**
* ʵÏÖ½«HashMapת»»³ÉΪArrayList£¬²¢½«mapµÄKey ¡¢Value·Ö± ......
1. Ê×ÏÈString²»ÊôÓÚ8ÖÖ»ù±¾Êý¾ÝÀàÐÍ£¬StringÊÇÒ»¸ö¶ÔÏó¡£
¡¡¡¡ÒòΪ¶ÔÏóµÄĬÈÏÖµÊÇnull£¬ËùÒÔStringµÄĬÈÏÖµÒ²ÊÇnull£»µ«ËüÓÖÊÇÒ»ÖÖÌØÊâµÄ¶ÔÏó£¬ÓÐÆäËü¶ÔÏóûÓеÄÒ»Ð©ÌØÐÔ¡£
¡¡¡¡2. new String()ºÍnew String(“”)¶¼ÊÇÉêÃ÷Ò»¸öеĿÕ×Ö·û´®£¬Êǿմ®²»ÊÇnull£»
¡¡¡¡3. String str=”kvill”£»
......
ʹÓÃJava±àдTelnet¿Í»§¶Ë
2009-12-24
Kagula
»·¾³
[1]Eclipse3.4.2
[2]JDK 1.6.x
[3] jta26.jar
¿É´ÓÏÂÃæÍøÖ·ÏÂÔØÕâ¸öJar°ü
http://javassh.org/space/start
¸ÅÒª
ͨ¹ýÁ½¸öÀý×Ó£¬½éÉÜTelnet¿Í»§¶ËµÄ±àд
ÕýÎÄ
Àý×ÓÒ»£ºÏòOPhoneÐéÄâ»ú·¢ËÍÒ ......