Merge pull request #17834 from succezlijunyi

* pr/17834:
  Simplify some code

Closes gh-17834

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/annotation/RequestPredicateFactory.java

@@ -65,8 +65,7 @@ class RequestPredicateFactory {
 
 	private Parameter getAllRemainingPathSegmentsParameter(Parameter[] selectorParameters) {
 		Parameter trailingPathsParameter = null;
-		for (int i = 0; i < selectorParameters.length; i++) {
-			Parameter selectorParameter = selectorParameters[i];
+		for (Parameter selectorParameter : selectorParameters) {
 			Selector selector = selectorParameter.getAnnotation(Selector.class);
 			if (selector.match() == Match.ALL_REMAINING) {
 				Assert.state(trailingPathsParameter == null,

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/context/ShutdownEndpointTests.java

@@ -97,8 +97,7 @@ class ShutdownEndpointTests {
 
 		@Bean
 		ShutdownEndpoint endpoint() {
-			ShutdownEndpoint endpoint = new ShutdownEndpoint();
-			return endpoint;
+			return new ShutdownEndpoint();
 		}
 
 		@Bean

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/jmx/annotation/DiscoveredJmxOperationTests.java

@@ -124,9 +124,7 @@ class DiscoveredJmxOperationTests {
 		annotationAttributes.put("produces", "application/xml");
 		DiscoveredOperationMethod operationMethod = new DiscoveredOperationMethod(method, OperationType.READ,
 				annotationAttributes);
-		DiscoveredJmxOperation operation = new DiscoveredJmxOperation(EndpointId.of("test"), operationMethod,
-				mock(OperationInvoker.class));
-		return operation;
+		return new DiscoveredJmxOperation(EndpointId.of("test"), operationMethod, mock(OperationInvoker.class));
 	}
 
 	private Method findMethod(String methodName) {