redcv - プログラム倉庫

import java.sql.*;

class game0501{

String url = "jdbc:derby:db;create=true";  
String usr = "";  
String pwd = "";

public static void main(String [] args) {
        game0501 f=new game0501();        
}

game0501(){

Connection dbx;    
Statement  stx;
ResultSet rsx;
int s;

s=0;

try {
      dbx = DriverManager.getConnection(url, usr, pwd);
      stx = dbx.createStatement();

      rsx = stx.executeQuery("select count(*) from zgoogle");
rsx.next();        
s = rsx.getInt(1);                  

System.out.println(s);

rsx.close();
stx.close();
dbx.close();

} catch (Exception ex) {ex.printStackTrace();}  


}
}