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1 JAVAµÄ·´Éä,Æäʵ¾ÍÊÇͨ¹ýÒ»¸öʵÀý»¯µÄ¶ÔÏó·´¹ýÀ´È¥ÕÒµ½Ò»¸öÀàµÄÍêÕûÐÅÏ¢,±ÈÈç¶ÔÓÚÈçϵÄÐÎʽ:
X x=new X();
x.getClass().getName();
ÕâÀï¾Í»áÊä³öÕâ¸öÀàËùÔÚµÄÍêÕûÐÅÏ¢,¼´"°üÃû.ÀàÃû";
×î³£ÓõÄÈýÖÖʵÀý»¯CLASSÀà¶ÔÏó
Class<?> c1 = null ; // Ö¸¶¨·ºÐÍ
Class<?> c2 = null ; // Ö¸¶¨·ºÐÍ
Class<?> c3 = null ; // Ö¸¶¨·ºÐÍ
try{
// ÒÔϵIJÙ×÷ÐÎʽÊÇÔÚ¿ª·¢ÖÐ×î³£ÓõÄÒ»ÖÖÐÎʽ
c1 = Class.forName("org.lxh.demo15.getclassdemo.X") ;
}catch(ClassNotFoundException e){
e.printStackTrace() ;
}
c2 = new X().getClass() ; // ͨ¹ýObjectÀàÖеķ½·¨ÊµÀý»¯
c3 = X.class ; // ͨ¹ýÀà.classʵÀý»¯
System.out.println("ÀàÃû³Æ£º" + c1.getName()) ; // µÃµ½ÀàµÄÃû³Æ
System.out.println("ÀàÃû³Æ£º" + c2.getName()) ; // µÃµ½ÀàµÄÃû³Æ
System.out.println("ÀàÃû³Æ£º" + c3.getName()) ; // µÃµ½ÀàµÄÃû³Æ
2 ͨ¹ýÎ޲ι¹ÔìʵÀý»¯¶ÔÏó
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Class<?> c = null ; // ÉùÃ÷Class¶ÔÏó
try{
c = Class.forName("org.lxh.demo15.instancedemo.Person") ;
}catch(ClassNotFoundException e){
e.printStackTrace() ;
}
Person per = null ; // ÉùÃ÷Person¶ÔÏó
try{
per = (Person)c.newInstance() ; // ʵÀý»¯¶ÔÏó
}catch(Exception e){
e.printStackTrace() ;
}
Èç¹ûÀàÖÐÊÇ´æÔÚÓвÎÊýµÄ¹¹Ô캯ÊýµÄ»°,ÔòÓÃÈçÏ·½Ê½ÊµÏÖ:
Class<?> c = null ; // ÉùÃ÷Class¶ÔÏó
try{
c = Class.forName("org.lxh.demo15.getclassdemo.Person") ;
}catch(ClassNotFoundException e){
e.printStackTrace() ;
}
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String s = "abc";
String t = new String("abc");
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/*
* CaptureScreen.java
*
* Created on 2007Äê8ÔÂ30ÈÕ, ÏÂÎç12:46
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package hadeslee.swing;
/**
*
* @author lbf
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