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java ²Ù×÷×¢²á±í

import java.util.prefs.*;  
public class Registery {  
    String[] keys = {"oa"};  
    String[] values = {"reg"};  
 //°ÑÏàÓ¦µÄÖµ´¢´æµ½±äÁ¿ÖÐÈ¥  
    public void writeValue() {  
 // HKEY_LOCAL_MACHINE\Software\JavaSoft\prefsÏÂдÈë×¢²á±íÖµ.  
        Preferences pre = Preferences.systemRoot().node("/javaplayer");  
        for (int i = 0; i < keys.length; i++) {  
            pre.put(keys[i], values[i]);  
        }  
    }    
 //¶ÁÈ¡±äÁ¿
    public String  readValue() {  
 // HKEY_LOCAL_MACHINE\Software\JavaSoft\prefs϶Áȡע²á±íÖµ.  
        Preferences pre = Preferences.systemRoot().node("/javaplayer"); 
        return pre.get("oa", "def");
    } 
    public static void main(String[] args) {  
        Registery reg = new Registery();  
        reg.writeValue(); 
        System.out.println(reg.readValue());
    }  


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package test;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServle ......

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class Father{
int i,j;

Father(){
add(1);
}
void add(int v){
i+=v;
j+=v;
}
void print(){
System.out.println("i:="+i);
System.out.println("j:="+j);
}
}
class C ......

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CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2)  AS
BEGIN ......

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