diff --git a/src/share/classes/java/lang/Byte.java b/src/share/classes/java/lang/Byte.java
index 2bb6480c539e1c896c2b8a86131a40697d40ea08..ba7486377d6c9d0402cee4ecc21c7cfe79cddba0 100644
--- a/src/share/classes/java/lang/Byte.java
+++ b/src/share/classes/java/lang/Byte.java
@@ -90,8 +90,8 @@ public final class Byte extends Number implements Comparable<Byte> {
      * If a new {@code Byte} instance is not required, this method
      * should generally be used in preference to the constructor
      * {@link #Byte(byte)}, as this method is likely to yield
-     * significantly better space and time performance by caching
-     * frequently requested values.
+     * significantly better space and time performance since
+     * all byte values are cached.
      *
      * @param  b a byte value.
      * @return a {@code Byte} instance representing {@code b}.
diff --git a/src/share/classes/java/lang/Character.java b/src/share/classes/java/lang/Character.java
index e33052ee170c6f951b49e9866a50618ac7089b2a..9b9c938fa1e1ecc30e717eee7fd7c6054097bdd7 100644
--- a/src/share/classes/java/lang/Character.java
+++ b/src/share/classes/java/lang/Character.java
@@ -2571,6 +2571,10 @@ class Character extends Object implements java.io.Serializable, Comparable<Chara
      * significantly better space and time performance by caching
      * frequently requested values.
      *
+     * This method will always cache values in the range '&#92;u0000'
+     * to '&#92;u007f'", inclusive, and may cache other values outside
+     * of this range.
+     *
      * @param  c a char value.
      * @return a <tt>Character</tt> instance representing <tt>c</tt>.
      * @since  1.5
diff --git a/src/share/classes/java/lang/Integer.java b/src/share/classes/java/lang/Integer.java
index 50863dd7e9fa646f6312ddb856b3aa1c56abee76..da35d2f7a4e47ca7b2761d7596afe43b329dcae1 100644
--- a/src/share/classes/java/lang/Integer.java
+++ b/src/share/classes/java/lang/Integer.java
@@ -638,6 +638,9 @@ public final class Integer extends Number implements Comparable<Integer> {
      * to yield significantly better space and time performance by
      * caching frequently requested values.
      *
+     * This method will always cache values in the range -128 to 127,
+     * inclusive, and may cache other values outside of this range.
+     *
      * @param  i an {@code int} value.
      * @return an {@code Integer} instance representing {@code i}.
      * @since  1.5
diff --git a/src/share/classes/java/lang/Long.java b/src/share/classes/java/lang/Long.java
index c632d5df2d9b15af976ac8632744362478762d24..a2fe09c959d6121029c09c7097a37a2040091852 100644
--- a/src/share/classes/java/lang/Long.java
+++ b/src/share/classes/java/lang/Long.java
@@ -560,6 +560,11 @@ public final class Long extends Number implements Comparable<Long> {
      * significantly better space and time performance by caching
      * frequently requested values.
      *
+     * Note that unlike the {@linkplain Integer#valueOf(int)
+     * corresponding method} in the {@code Integer} class, this method
+     * is <em>not</em> required to cache values within a particular
+     * range.
+     *
      * @param  l a long value.
      * @return a {@code Long} instance representing {@code l}.
      * @since  1.5
diff --git a/src/share/classes/java/lang/Short.java b/src/share/classes/java/lang/Short.java
index 8abbf65d61a428313db3fb3f44f08d6b8e698687..a5d72120dfbfbee86f2688e5f9f6721689e11322 100644
--- a/src/share/classes/java/lang/Short.java
+++ b/src/share/classes/java/lang/Short.java
@@ -219,6 +219,9 @@ public final class Short extends Number implements Comparable<Short> {
      * significantly better space and time performance by caching
      * frequently requested values.
      *
+     * This method will always cache values in the range -128 to 127,
+     * inclusive, and may cache other values outside of this range.
+     *
      * @param  s a short value.
      * @return a {@code Short} instance representing {@code s}.
      * @since  1.5