diff --git a/jdk/src/share/classes/java/lang/Byte.java b/jdk/src/share/classes/java/lang/Byte.java
index 4725f3278b7..ce5adee7f53 100644
--- a/jdk/src/share/classes/java/lang/Byte.java
+++ b/jdk/src/share/classes/java/lang/Byte.java
@@ -201,7 +201,7 @@ public final class Byte extends Number implements Comparable<Byte> {
      */
     public static Byte valueOf(String s, int radix)
         throws NumberFormatException {
-        return new Byte(parseByte(s, radix));
+        return valueOf(parseByte(s, radix));
     }
 
     /**
@@ -277,7 +277,7 @@ public final class Byte extends Number implements Comparable<Byte> {
         if (i < MIN_VALUE || i > MAX_VALUE)
             throw new NumberFormatException(
                     "Value " + i + " out of range from input " + nm);
-        return (byte)i;
+        return valueOf((byte)i);
     }
 
     /**
@@ -374,7 +374,7 @@ public final class Byte extends Number implements Comparable<Byte> {
      *          base&nbsp;10.
      */
     public String toString() {
-        return String.valueOf((int)value);
+        return Integer.toString((int)value);
     }
 
     /**
diff --git a/jdk/src/share/classes/java/lang/Double.java b/jdk/src/share/classes/java/lang/Double.java
index 8efb241b808..ebc6fd3cada 100644
--- a/jdk/src/share/classes/java/lang/Double.java
+++ b/jdk/src/share/classes/java/lang/Double.java
@@ -629,7 +629,7 @@ public final class Double extends Number implements Comparable<Double> {
      * @see java.lang.Double#toString(double)
      */
     public String toString() {
-        return String.valueOf(value);
+        return toString(value);
     }
 
     /**
diff --git a/jdk/src/share/classes/java/lang/Float.java b/jdk/src/share/classes/java/lang/Float.java
index eb133016f6b..c86b7bb1f9c 100644
--- a/jdk/src/share/classes/java/lang/Float.java
+++ b/jdk/src/share/classes/java/lang/Float.java
@@ -551,7 +551,7 @@ public final class Float extends Number implements Comparable<Float> {
      * @see java.lang.Float#toString(float)
      */
     public String toString() {
-        return String.valueOf(value);
+        return Float.toString(value);
     }
 
     /**
diff --git a/jdk/src/share/classes/java/lang/Integer.java b/jdk/src/share/classes/java/lang/Integer.java
index 1c457c548e7..7aa03c07b5b 100644
--- a/jdk/src/share/classes/java/lang/Integer.java
+++ b/jdk/src/share/classes/java/lang/Integer.java
@@ -746,7 +746,7 @@ public final class Integer extends Number implements Comparable<Integer> {
      *          base&nbsp;10.
      */
     public String toString() {
-        return String.valueOf(value);
+        return toString(value);
     }
 
     /**
diff --git a/jdk/src/share/classes/java/lang/Long.java b/jdk/src/share/classes/java/lang/Long.java
index c5fd7ee5e29..2bb6da15923 100644
--- a/jdk/src/share/classes/java/lang/Long.java
+++ b/jdk/src/share/classes/java/lang/Long.java
@@ -761,7 +761,7 @@ public final class Long extends Number implements Comparable<Long> {
      *          base&nbsp;10.
      */
     public String toString() {
-        return String.valueOf(value);
+        return toString(value);
     }
 
     /**
diff --git a/jdk/src/share/classes/java/lang/Short.java b/jdk/src/share/classes/java/lang/Short.java
index cf1551da8e5..b00e8b25cec 100644
--- a/jdk/src/share/classes/java/lang/Short.java
+++ b/jdk/src/share/classes/java/lang/Short.java
@@ -170,7 +170,7 @@ public final class Short extends Number implements Comparable<Short> {
      */
     public static Short valueOf(String s, int radix)
         throws NumberFormatException {
-        return new Short(parseShort(s, radix));
+        return valueOf(parseShort(s, radix));
     }
 
     /**
@@ -282,7 +282,7 @@ public final class Short extends Number implements Comparable<Short> {
         if (i < MIN_VALUE || i > MAX_VALUE)
             throw new NumberFormatException(
                     "Value " + i + " out of range from input " + nm);
-        return (short)i;
+        return valueOf((short)i);
     }
 
     /**
@@ -379,7 +379,7 @@ public final class Short extends Number implements Comparable<Short> {
      *          base&nbsp;10.
      */
     public String toString() {
-        return String.valueOf((int)value);
+        return Integer.toString((int)value);
     }
 
     /**
diff --git a/jdk/src/share/classes/java/lang/String.java b/jdk/src/share/classes/java/lang/String.java
index e4327434c38..6aaf7684bf3 100644
--- a/jdk/src/share/classes/java/lang/String.java
+++ b/jdk/src/share/classes/java/lang/String.java
@@ -2995,7 +2995,7 @@ public final class String
      * @see     java.lang.Integer#toString(int, int)
      */
     public static String valueOf(int i) {
-        return Integer.toString(i, 10);
+        return Integer.toString(i);
     }
 
     /**
@@ -3009,7 +3009,7 @@ public final class String
      * @see     java.lang.Long#toString(long)
      */
     public static String valueOf(long l) {
-        return Long.toString(l, 10);
+        return Long.toString(l);
     }
 
     /**