Tiny improvements regarding ArrayList creation

Closes gh-23047

Author: stsypanov

spring-expression/src/main/java/org/springframework/expression/spel/ast/InlineList.java

@@ -92,8 +92,8 @@ public TypedValue getValueInternal(ExpressionState expressionState) throws Evalu
 			return this.constant;
 		}
 		else {
-			List<Object> returnValue = new ArrayList<>();
 			int childCount = getChildCount();
+			List<Object> returnValue = new ArrayList<>(childCount);
 			for (int c = 0; c < childCount; c++) {
 				returnValue.add(getChild(c).getValue(expressionState));
 			}

spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/AnnotationExceptionHandlerMethodResolver.java

@@ -56,8 +56,7 @@ private static Map<Class<? extends Throwable>, Method> initExceptionMappings(Cla
 		Map<Class<? extends Throwable>, Method> result = new HashMap<>();
 		for (Map.Entry<Method, MessageExceptionHandler> entry : methods.entrySet()) {
 			Method method = entry.getKey();
-			List<Class<? extends Throwable>> exceptionTypes = new ArrayList<>();
-			exceptionTypes.addAll(Arrays.asList(entry.getValue().value()));
+			List<Class<? extends Throwable>> exceptionTypes = new ArrayList<>(Arrays.asList(entry.getValue().value()));
 			if (exceptionTypes.isEmpty()) {
 				exceptionTypes.addAll(getExceptionsFromMethodSignature(method));
 			}