JDBC | 2 - Statement |

import com.sun.scenario.effect.impl.sw.sse.SSEBlend_SRC_OUTPeer;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class Main {
    private static final String DBDRIVER = "com.mysql.jdbc.Driver";
    private static final String DBURL = "jdbc:mysql://localhost:3306/TEACH?characterEncoding=utf-8&useSSL=true";
    private static final String DBUSER = "root";
    private static final String DBPASSWORD = "newpass";
    public static void main(String[] args) throws Exception{
        // 加载数据库驱动程序
        Class.forName(DBDRIVER);

        // 连接数据库
        Connection connection = DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD);

        Statement statement = connection.createStatement();

        String sql3 = "SELECT SNO,CNO,SCORE FROM ELECTIVE";
        ResultSet resultSet = statement.executeQuery(sql3);

        resultSet.absolute(5);
        while (resultSet.previous()){
            String SNO = resultSet.getString("SNO");
            String CNO = resultSet.getString("CNO");
            String SCORE = resultSet.getString("SCORE");
            System.out.println(SNO + " " + CNO + " " + SCORE);
        }

        // 关闭连接
        connection.close();
    }
}