Stop referring to features as Java 6/7 features where unnecessary

spring-beans/src/main/java/org/springframework/beans/factory/serviceloader/package-info.java

@@ -1,5 +1,5 @@
 /**
- * Support package for the Java 6 ServiceLoader facility.
+ * Support package for the Java {@link java.util.ServiceLoader} facility.
  */
 @NonNullApi
 @NonNullFields

spring-beans/src/main/java/org/springframework/beans/factory/support/ConstructorResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -985,7 +985,7 @@ class ConstructorResolver {
 
 
 	/**
-	 * Delegate for checking Java 6's {@link ConstructorProperties} annotation.
+	 * Delegate for checking Java's {@link ConstructorProperties} annotation.
 	 */
 	private static class ConstructorPropertiesChecker {
 

spring-context/src/main/java/org/springframework/jmx/export/MBeanExporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -762,7 +762,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 	 * <p>The default implementation delegates to {@link JmxUtils#isMBean},
 	 * which checks for {@link javax.management.DynamicMBean} classes as well
 	 * as classes with corresponding "*MBean" interface (Standard MBeans)
-	 * or corresponding "*MXBean" interface (Java 6 MXBeans).
+	 * or corresponding "*MXBean" interface (Java MXBeans).
 	 * @param beanClass the bean class to analyze
 	 * @return whether the class qualifies as an MBean
 	 * @see org.springframework.jmx.support.JmxUtils#isMBean(Class)

spring-context/src/main/java/org/springframework/jmx/support/JmxUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -255,7 +255,7 @@ public abstract class JmxUtils {
 	 * Determine whether the given bean class qualifies as an MBean as-is.
 	 * <p>This implementation checks for {@link javax.management.DynamicMBean}
 	 * classes as well as classes with corresponding "*MBean" interface
-	 * (Standard MBeans) or corresponding "*MXBean" interface (Java 6 MXBeans).
+	 * (Standard MBeans) or corresponding "*MXBean" interface (Java MXBeans).
 	 * @param clazz the bean class to analyze
 	 * @return whether the class qualifies as an MBean
 	 * @see org.springframework.jmx.export.MBeanExporter#isMBean(Class)
@@ -289,7 +289,7 @@ public abstract class JmxUtils {
 	}
 
 	/**
-	 * Return the Java 6 MXBean interface exists for the given class, if any
+	 * Return the Java MXBean interface for the given class, if any
 	 * (that is, an interface whose name ends with "MXBean" and/or
 	 * carries an appropriate MXBean annotation).
 	 * @param clazz the class to check

spring-context/src/main/java/org/springframework/scripting/support/StandardScriptFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -36,7 +36,7 @@ import org.springframework.util.StringUtils;
 
 /**
  * {@link org.springframework.scripting.ScriptFactory} implementation based
- * on the JSR-223 script engine abstraction (as included in Java 6+).
+ * on the JSR-223 script engine abstraction (as included in Java).
  * Supports JavaScript, Groovy, JRuby, and other JSR-223 compliant engines.
  *
  * <p>Typically used in combination with a

spring-core/src/main/java/org/springframework/core/convert/support/StringToLocaleConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 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 @@ import org.springframework.util.StringUtils;
  * Converts from a String to a {@link java.util.Locale}.
  *
  * <p>Accepts the classic {@link Locale} String format ({@link Locale#toString()})
- * as well as BCP 47 language tags ({@link Locale#forLanguageTag} on Java 7+).
+ * as well as BCP 47 language tags ({@link Locale#forLanguageTag}.
  *
  * @author Keith Donald
  * @author Juergen Hoeller

spring-core/src/main/java/org/springframework/util/DefaultPropertiesPersister.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -35,8 +35,8 @@ import java.util.Properties;
  * <p>Loading from and storing to a stream delegates to {@code Properties.load}
  * and {@code Properties.store}, respectively, to be fully compatible with
  * the Unicode conversion as implemented by the JDK Properties class. As of JDK 6,
- * {@code Properties.load/store} will also be used for readers/writers,
- * effectively turning this class into a plain backwards compatibility adapter.
+ * {@code Properties.load/store} is also used for readers/writers, effectively
+ * turning this class into a plain backwards compatibility adapter.
  *
  * <p>The persistence code that works with Reader/Writer follows the JDK's parsing
  * strategy but does not implement Unicode conversion, because the Reader/Writer

spring-core/src/main/java/org/springframework/util/StringUtils.java

@@ -804,11 +804,11 @@ public abstract class StringUtils {
 
 	/**
 	 * Parse the given {@code String} value into a {@link Locale}, accepting
-	 * the {@link Locale#toString} format as well as BCP 47 language tags.
+	 * the {@link Locale#toString} format as well as BCP 47 language tags as
+	 * specified by {@link Locale#forLanguageTag}.
 	 * @param localeValue the locale value: following either {@code Locale's}
 	 * {@code toString()} format ("en", "en_UK", etc), also accepting spaces as
 	 * separators (as an alternative to underscores), or BCP 47 (e.g. "en-UK")
-	 * as specified by {@link Locale#forLanguageTag} on Java 7+
 	 * @return a corresponding {@code Locale} instance, or {@code null} if none
 	 * @throws IllegalArgumentException in case of an invalid locale specification
 	 * @since 5.0.4

spring-jdbc/src/main/java/org/springframework/jdbc/support/SQLErrorCodeSQLExceptionTranslator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -50,9 +50,9 @@ import org.springframework.util.function.SupplierUtils;
  * by default. This factory loads a "sql-error-codes.xml" file from the class path,
  * defining error code mappings for database names from database meta-data.
  * <li>Fallback to a fallback translator. {@link SQLStateSQLExceptionTranslator} is the
- * default fallback translator, analyzing the exception's SQL state only. On Java 6
- * which introduces its own {@code SQLException} subclass hierarchy, we will
- * use {@link SQLExceptionSubclassTranslator} by default, which in turns falls back
+ * default fallback translator, analyzing the exception's SQL state only. Since Java 6
+ * which introduces its own {@code SQLException} subclass hierarchy, we use
+ * {@link SQLExceptionSubclassTranslator} by default, which in turns falls back
  * to Spring's own SQL state translation when not encountering specific subclasses.
  * </ul>
  *

spring-jdbc/src/test/java/org/springframework/jdbc/support/SQLExceptionSubclassFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -29,7 +29,7 @@ import java.sql.SQLTransactionRollbackException;
 import java.sql.SQLTransientConnectionException;
 
 /**
- * Class to generate Java 6 SQLException subclasses for testing purposes.
+ * Class to generate {@link SQLException} subclasses for testing purposes.
  *
  * @author Thomas Risberg
  */

spring-webmvc/src/main/java/org/springframework/web/servlet/i18n/CookieLocaleResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -314,9 +314,9 @@ public class CookieLocaleResolver extends CookieGenerator implements LocaleConte
 	/**
 	 * Render the given locale as a text value for inclusion in a cookie.
 	 * <p>The default implementation calls {@link Locale#toString()}
-	 * or JDK 7's {@link Locale#toLanguageTag()}, depending on the
+	 * or {@link Locale#toLanguageTag()}, depending on the
 	 * {@link #setLanguageTagCompliant "languageTagCompliant"} configuration property.
-	 * @param locale the locale to stringify
+	 * @param locale the locale to convert to a string
 	 * @return a String representation for the given locale
 	 * @since 4.3
 	 * @see #isLanguageTagCompliant()