メモ
ORMばかりつかってて忘れていたので。
import static java.sql.DriverManager.*;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Main {
public static final String URL = "jdbc:mysql://localhost:3306/base1";
public static final String USER = "base1";
public static final String PASS = "base1";
public static void main(String[] args) throws SQLException {
try (Connection connection = getConnection(URL, USER, PASS)) {
PreparedStatement prepared = connection
.prepareStatement("SELECT ? + ? AS ANS");
for (int i = 0, j = 10; i < 10; i++, j = j << 2) {
prepared.setInt(1, i);
prepared.setInt(2, j);
ResultSet resultSet = prepared.executeQuery();
if (resultSet.next())
System.out.println(resultSet.getObject(1));
}
}
}
}