Polishing (backported from 5.3.x)

spring-aop/src/main/java/org/aopalliance/intercept/Joinpoint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -23,7 +23,7 @@ import java.lang.reflect.AccessibleObject;
  * terminology).
  *
  * <p>A runtime joinpoint is an <i>event</i> that occurs on a static
- * joinpoint (i.e. a location in a the program). For instance, an
+ * joinpoint (i.e. a location in a program). For instance, an
  * invocation is the runtime joinpoint on a method (static joinpoint).
  * The static part of a given joinpoint can be generically retrieved
  * using the {@link #getStaticPart()} method.

spring-beans/src/test/java/org/springframework/beans/BeanWrapperGenericsTests.java

@@ -162,10 +162,8 @@ public class BeanWrapperGenericsTests {
 		value2.add(Boolean.TRUE);
 		input.put("2", value2);
 		bw.setPropertyValue("collectionMap", input);
-		boolean condition1 = gb.getCollectionMap().get(1) instanceof HashSet;
+		assertThat(gb.getCollectionMap().get(1) instanceof HashSet).isTrue();
-		assertThat(condition1).isTrue();
+		assertThat(gb.getCollectionMap().get(2) instanceof ArrayList).isTrue();
-		boolean condition = gb.getCollectionMap().get(2) instanceof ArrayList;
-		assertThat(condition).isTrue();
 	}
 
 	@Test
@@ -177,8 +175,7 @@ public class BeanWrapperGenericsTests {
 		HashSet<Integer> value1 = new HashSet<>();
 		value1.add(1);
 		bw.setPropertyValue("collectionMap[1]", value1);
-		boolean condition = gb.getCollectionMap().get(1) instanceof HashSet;
+		assertThat(gb.getCollectionMap().get(1) instanceof HashSet).isTrue();
-		assertThat(condition).isTrue();
 	}
 
 	@Test
@@ -324,14 +321,13 @@ public class BeanWrapperGenericsTests {
 		bw.setPropertyValue("mapOfInteger", map);
 
 		Object obj = gb.getMapOfInteger().get("testKey");
-		boolean condition = obj instanceof Integer;
+		assertThat(obj instanceof Integer).isTrue();
-		assertThat(condition).isTrue();
 	}
 
 	@Test
 	public void testGenericTypeNestingMapOfListOfInteger() {
 		Map<String, List<String>> map = new HashMap<>();
-		List<String> list = Arrays.asList(new String[] {"1", "2", "3"});
+		List<String> list = Arrays.asList("1", "2", "3");
 		map.put("testKey", list);
 
 		NestedGenericCollectionBean gb = new NestedGenericCollectionBean();
@@ -362,7 +358,7 @@ public class BeanWrapperGenericsTests {
 	@Test
 	public void testGenericTypeNestingMapOfListOfListOfInteger() {
 		Map<String, List<List<String>>> map = new HashMap<>();
-		List<String> list = Arrays.asList(new String[] {"1", "2", "3"});
+		List<String> list = Arrays.asList("1", "2", "3");
 		map.put("testKey", Collections.singletonList(list));
 
 		NestedGenericCollectionBean gb = new NestedGenericCollectionBean();

spring-webflux/src/main/java/org/springframework/web/reactive/function/server/RequestPredicate.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -71,7 +71,7 @@ public interface RequestPredicate {
 
 	/**
 	 * Transform the given request into a request used for a nested route. For instance,
-	 * a path-based predicate can return a {@code ServerRequest} with a the path remaining
+	 * a path-based predicate can return a {@code ServerRequest} with a path remaining
 	 * after a match.
 	 * <p>The default implementation returns an {@code Optional} wrapping the given request if
 	 * {@link #test(ServerRequest)} evaluates to {@code true}; or {@link Optional#empty()}

spring-webmvc/src/main/java/org/springframework/web/servlet/function/RequestPredicate.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -71,7 +71,7 @@ public interface RequestPredicate {
 
 	/**
 	 * Transform the given request into a request used for a nested route. For instance,
-	 * a path-based predicate can return a {@code ServerRequest} with a the path remaining
+	 * a path-based predicate can return a {@code ServerRequest} with a path remaining
 	 * after a match.
 	 * <p>The default implementation returns an {@code Optional} wrapping the given request if
 	 * {@link #test(ServerRequest)} evaluates to {@code true}; or {@link Optional#empty()}

spring-websocket/src/main/java/org/springframework/web/socket/adapter/standard/ConvertingEncoderDecoderSupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -183,7 +183,7 @@ public abstract class ConvertingEncoderDecoderSupport<T, M> {
 	}
 
 	/**
-	 * Decode the a message into an object.
+	 * Decode the message into an object.
 	 * @see javax.websocket.Decoder.Text#decode(String)
 	 * @see javax.websocket.Decoder.Binary#decode(ByteBuffer)
 	 */

src/docs/asciidoc/web/websocket.adoc

@@ -1202,7 +1202,7 @@ We can trace the flow through a simple example. Consider the following example,
 	@Controller
 	public class GreetingController {
 
-		@MessageMapping("/greeting") {
+		@MessageMapping("/greeting")
 		public String handle(String greeting) {
 			return "[" + getTimestamp() + ": " + greeting;
 		}