mysql到eclipse乱码

CREATE DATABASE mydatabase CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE TABLE mytable (
    id INT PRIMARY KEY,
    name VARCHAR(255)
) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

String url = "jdbc:mysql://localhost:3306/mydatabase?useUnicode=yes&characterEncoding=UTF-8";
Connection conn = DriverManager.getConnection(url, "username", "password");

response.setContentType("text/html; charset=UTF-8");

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

public class MySQLExample {
    public static void main(String[] args) {
        try {
            String url = "jdbc:mysql://localhost:3306/mydatabase?useUnicode=yes&characterEncoding=UTF-8";
            Connection conn = DriverManager.getConnection(url, "username", "password");
            Statement stmt = conn.createStatement();
            ResultSet rs = stmt.executeQuery("SELECT * FROM mytable");
            while (rs.next()) {
                System.out.println(rs.getString("name"));
            }
            rs.close();
            stmt.close();
            conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}