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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();
 }
}


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×÷Ϊһ¸ö¿çƽ̨µÄ±à³Ì½â¾ö·½°¸£¬JavaÏÔÈ»²»ÄÜÏñDelphiÄÇÑù£¬ÔÚÓû§½çÃæÉè¼Æ·½ÃæÌṩǿ´ó¡¢Ö±¹ÛºÍ¿ì½ÝµÄÉè¼ÆÖ§³Ö¡£±ÈÈç¶ÔÓÚÎı¾¿òµÄ¿ØÖÆ£¬µ±ÎÒÃÇ ÒªÔÚ³ÌÐòÖиÐÖªÓû§ÊÇ·ñÐÞ¸ÄÁËÎı¾¿òÖеÄÄÚÈÝʱ£¬DelphiÌṩÁËÒ»¸öÖ±½ÓµÄʼþµ÷ÓÃOnValueChanged()£¬¿ÉÒÔÔÚÎı¾¿òÄÚÈݵõ½Êµ¼ÊµÄ¸Ä ¶¯Ê±±»¼¤»î¡£¶øÒªÔÚJavaÖÐʵÏÖÕâÒ»¹¦ÄܾÍËÆºõ ......

JavaÈçºÎ±éÀúMapµÄËùÓеÄÔªËØ

Map map = new HashMap(); 
Iterator it = map.entrySet().iterator(); 
while (it.hasNext()) { 
Map.Entry entry = (Map.Entry) it.next(); 
Object key = entry.getKey(); 
Object value = entry.getValue(); 

......

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Map map = new HashMap();
    Iterator it = map.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry entry = (Map.Entry) it.next();
        Object key = e ......

JPetStore 5.0(iBATIS for java)ÖÐItem.xmlµÄbug

Caused by: java.sql.SQLException: ORA-00918: column ambiguously defined
Caused by: com.ibatis.common.jdbc.exception.NestedSQLException:  
--- The error occurred in com/ibatis/jpetstore/persistence/sqlmapdao/sql/Item.xml. 
--- The error occurred while applying a parameter map.&nbs ......

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ʹÓÃJava±àдTelnet¿Í»§¶Ë
2009-12-24
Kagula
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   [1]Eclipse3.4.2
   [2]JDK 1.6.x
   [3] jta26.jar
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http://javassh.org/space/start
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