📄 database.java
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package com.gxn ;
import java.sql.* ;
import javax.servlet.http.* ;
public class DataBase extends HttpServlet {
private static String driver ;
private static String url ;
private static String username ;
private static String password ;
public void init() {
driver = this.getInitParameter("driver") ;
url = this.getInitParameter("url") ;
username = this.getInitParameter("username") ;
password = this.getInitParameter("password") ;
}
public static Connection getConnection() {
Connection cn = null ;
try {
Class.forName(driver) ;
cn = DriverManager.getConnection(url , username , password) ;
}
catch (Exception ex) {
}
return cn ;
}
}
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