import java.applet.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
public class TestDB extends Applet implements ActionListener, ItemListener{
final static String driver = "org.apache.derby.jdbc.EmbeddedDriver";
final static String url = "jdbc:derby:C:\\DerbyDatabases\\MyDB";
private Connection conn;
private Statement st;
private PreparedStatement pst;
Label lb1;
Button bt1,bt2;
Checkbox cbx1,cbx2,cbx3;
int red=-1,green,blue;
List list1;
TextField tx1;
public void paint(Graphics g){
try{
g.drawString("username", 30, 30);
Class.forName(driver).newInstance();bị lỗi chỗ này. Nó báo lỗi là java.lang.ClassNotFoundException: org.apache.derby.jdbc.EmbeddedDriver.Các bạn nào biết xin hưỡng dẫn cho mình.
Nếu chạy đoạn code kết nối Database ở 1 file Java bình thường không sử dụng Applet thì ok kô bị lỗi.
g.drawString("username123", 30, 30);
conn = DriverManager.getConnection(url, "user", "pass");
ResultSet rs=exeResultSet("select * from GINKO");
while(rs.next()){
g.drawString(rs.getString("id"), 30, 30);
}
rs.close();
close();
}catch(Exception e){ System.out.println(e);}
}
public void init(){
}
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