Align BatchSpec with StatementSpec

spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/DefaultJdbcClient.java

@@ -366,6 +366,14 @@ public BatchSpec entry(Consumer<BatchEntry> entryConsumer) {
 				return this;
 			}
 
+			@Override
+			public BatchSpec entry(@Nullable Object... values) {
+				DefaultBatchEntry entry = new DefaultBatchEntry();
+				Collections.addAll(entry.indexedParams, values);
+				addEntry(entry);
+				return this;
+			}
+
 			@Override
 			public BatchSpec entry(List<?> values) {
 				DefaultBatchEntry entry = new DefaultBatchEntry();

spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/JdbcClient.java

@@ -407,6 +407,19 @@ interface BatchSpec {
 		 */
 		BatchSpec entry(Consumer<BatchEntry> entryConsumer);
 
+		/**
+		 * Define a batch entry with the given list of positional parameters for
+		 * "?" placeholder resolution.
+		 * <p>Each element of the list will be bound as a JDBC positional parameter
+		 * with a corresponding JDBC index (i.e. list index + 1).
+		 * <p>Note that the given list represents the parameters of a <em>single</em>
+		 * entry; see {@link #entries(Object[])} for defining several entries at once.
+		 * @param values the parameter values to bind
+		 * @return this batch specification (for chaining)
+		 * @see #entry(List)
+		 */
+		BatchSpec entry(@Nullable Object... values);
+
 		/**
 		 * Define a batch entry with the given list of positional parameters for
 		 * "?" placeholder resolution.

spring-jdbc/src/test/java/org/springframework/jdbc/core/simple/JdbcClientIntegrationTests.java

@@ -155,6 +155,20 @@ void updateWithGeneratedKeysAndKeyColumnNamesUsingNamedParameters() {
 		assertUser(expectedId, firstName, lastName);
 	}
 
+	@Test
+	void batchUpdateWithIndexedParameters() {
+		int[] rowsAffected = this.jdbcClient.sql(INSERT_WITH_JDBC_PARAMS)
+				.batch()
+				.entry("Jane", "Smith")
+				.entry("John", "Doe")
+				.update();
+
+		assertThat(rowsAffected).containsExactly(1, 1);
+		assertNumUsers(3);
+		assertUser(1, "Jane", "Smith");
+		assertUser(2, "John", "Doe");
+	}
+
 	@Test
 	void batchUpdateWithIndexedParameterList() {
 		int[] rowsAffected = this.jdbcClient.sql(INSERT_WITH_JDBC_PARAMS)