Replace single operations inside loops with bulk methods

spring-batch-core/src/test/java/org/springframework/batch/core/job/flow/support/SimpleFlowTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -38,6 +39,7 @@ import org.springframework.batch.core.job.flow.StateSupport;
 /**
  * @author Dave Syer
  * @author Michael Minella
+ * @author Mahmoud Ben Hassine
  *
  */
 class SimpleFlowTests {
@@ -208,13 +210,7 @@ class SimpleFlowTests {
 	}
 
 	protected List<StateTransition> collect(StateTransition... states) {
-		List<StateTransition> list = new ArrayList<>();
-
-		for (StateTransition stateTransition : states) {
-			list.add(stateTransition);
-		}
-
-		return list;
+		return new ArrayList<>(Arrays.asList(states));
 	}
 
 	/**