Polish contribution

See gh-36367

Author: sbrannen

framework-docs/src/main/java/org/springframework/docs/core/expressions/languageref/expressionsoperatorsoverloaded/ListConcatenation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2026-present the original author or authors.
+ * Copyright 2002-present 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.
@@ -26,7 +26,7 @@ public class ListConcatenation implements OperatorOverloader {
 
 	@Override
 	public boolean overridesOperation(Operation operation, Object left, Object right) {
-		return operation == Operation.ADD && left instanceof List && right instanceof List;
+		return (operation == Operation.ADD && left instanceof List && right instanceof List);
 	}
 
 	@Override
@@ -43,4 +43,5 @@ public Object operate(Operation operation, Object left, Object right) {
 				"No overload for operation %s and operands [%s] and [%s]"
 						.formatted(operation, left, right));
 	}
+
 }

framework-docs/src/main/kotlin/org/springframework/docs/core/expressions/languageref/expressionsoperatorsoverloaded/ListConcatenation.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2026-present the original author or authors.
+ * Copyright 2002-present 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.
@@ -30,6 +30,8 @@ class ListConcatenation: OperatorOverloader {
 			return left + right
 		}
 
-		throw UnsupportedOperationException("No overload for operation $operation and operands [$left] and [$right]")
+		throw UnsupportedOperationException(
+			"No overload for operation $operation and operands [$left] and [$right]")
 	}
-}
+
+}