我的程序如下:
package cn.yznu.db;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class TestDB {
private static Connection getConn() {
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://localhost:3306/samp_db";
String username = "root";
String password = "";
Connection conn = null;
try {
Class.forName(driver); //classLoader,加载对应驱动
conn = (Connection) DriverManager.getConnection(url, username, password);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
return conn;
}
public static void main(String args[]){
Connection con= getConn();
}
}
错误是:在类 cn.yznu.db.TestDB 中找不到主方法, 请将主方法定义为: public static void main(String[] args).
在网上的解决方法都试过了,就是不对,求指示