[1단계 - JDBC 라이브러리 구현하기] 베베(최원용) 미션 제출합니다.

jdbc/src/main/java/org/springframework/jdbc/core/JdbcTemplate.java

@@ -23,36 +23,36 @@ public JdbcTemplate(final DataSource dataSource) {
         this.dataSource = dataSource;
     }
 
-    public void update(final String sql, final Object... parameters) {
+    public void update(final String sql, final Object... conditions) {
         try (
                 final Connection connection = getConnection();
                 final PreparedStatement preparedStatement = connection.prepareStatement(sql)
         ) {
             log.debug("query : {}", sql);
-            for (int i = 1; i <= parameters.length; i++) {
-                preparedStatement.setObject(i, parameters[i - 1]);
+            for (int i = 1; i <= conditions.length; i++) {
+                preparedStatement.setObject(i, conditions[i - 1]);
             }
             preparedStatement.executeUpdate();
         } catch (SQLException e) {
             throw new DataAccessException(e);
         }
     }
 
-    public <T> Optional<T> queryForObject(final String sql, final RowMapper<T> rowMapper, final Object condition) {
+    public <T> Optional<T> queryForObject(final String sql, final RowMapper<T> rowMapper, final Object... conditions) {
         try (
                 final Connection connection = getConnection();
                 final PreparedStatement preparedStatement = connection.prepareStatement(sql)
         ) {
-            preparedStatement.setObject(1, condition);
-            final ResultSet resultSet = preparedStatement.executeQuery();
             log.debug("query : {}", sql);
+            for (int i = 1; i <= conditions.length; i++) {
+                preparedStatement.setObject(i, conditions[i - 1]);
+            }
+            final ResultSet resultSet = preparedStatement.executeQuery();
 
             if (resultSet.next()) {
                 final T result = rowMapper.mapRow(resultSet, resultSet.getRow());
-                resultSet.close();
                 return Optional.ofNullable(result);
             }
-            resultSet.close();
             return Optional.empty();
         } catch (SQLException e) {
             throw new DataAccessException(e);

jdbc/src/test/java/org/springframework/jdbc/core/JdbcTemplateTest.java

@@ -0,0 +1,15 @@
+package org.springframework.jdbc.core;
+
+import org.junit.jupiter.api.BeforeEach;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class JdbcTemplateTest {
+
+    private JdbcTemplate jdbcTemplate;
+
+    @BeforeEach
+    void setUp() {
+
+    }
+}