Exception in thread "main" java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)
数据库密码错误
另外,连接JDBC数据库需下载mysql-connector-java-5....
import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;
public class Demo {
public static v...