remove char array support

src/main/java/com/fasterxml/jackson/core/io/NumberInput.java

@@ -309,7 +309,7 @@ public static double parseAsDouble(final String s, final double def)
     /**
      * @param s a string representing a number to parse
      * @param def the default to return if `s` is not a parseable number
-     * @param useFastParser whether to use {@link com.fasterxml.jackson.core.io.doubleparser.FastDoubleParser#parseDouble(CharSequence)}
+     * @param useFastParser whether to use {@link com.fasterxml.jackson.core.io.doubleparser}
      * @return closest matching double (or `def` if there is an issue with `s`)
      * @since 2.14
      */
@@ -339,7 +339,7 @@ public static double parseDouble(final String s) throws NumberFormatException {
 
     /**
      * @param s a string representing a number to parse
-     * @param useFastParser whether to use {@link com.fasterxml.jackson.core.io.doubleparser.FastDoubleParser#parseDouble(CharSequence)}
+     * @param useFastParser whether to use {@link com.fasterxml.jackson.core.io.doubleparser}
      * @return closest matching double
      * @throws NumberFormatException if string cannot be represented by a double
      * @since v2.14
@@ -361,7 +361,7 @@ public static float parseFloat(final String s) throws NumberFormatException {
 
     /**
      * @param s a string representing a number to parse
-     * @param useFastParser whether to use {@link com.fasterxml.jackson.core.io.doubleparser.FastFloatParser#parseFloat(CharSequence)}
+     * @param useFastParser whether to use {@link com.fasterxml.jackson.core.io.doubleparser}
      * @return closest matching float
      * @throws NumberFormatException if string cannot be represented by a float
      * @since v2.14

src/main/java/com/fasterxml/jackson/core/io/doubleparser/DoubleFromCharSequence.java

@@ -11,8 +11,9 @@
  */
 public final class DoubleFromCharSequence extends AbstractFloatValueFromCharSequence {
 
+    static DoubleFromCharSequence INSTANCE = new DoubleFromCharSequence();
 
-    public DoubleFromCharSequence() {
+    private DoubleFromCharSequence() {
 
     }
 

src/main/java/com/fasterxml/jackson/core/io/doubleparser/FastDoubleParser.java

@@ -43,35 +43,7 @@ public static double parseDouble(CharSequence str) throws NumberFormatException
      * @throws NumberFormatException if the string can not be parsed
      */
     public static double parseDouble(CharSequence str, int offset, int length) throws NumberFormatException {
-        return new DoubleFromCharSequence().parseDouble(str, offset, length);
-    }
-
-    /**
-     * Convenience method for calling {@link #parseDouble(char[], int, int)}.
-     *
-     * @param str the string to be parsed
-     * @return the parsed double value
-     * @throws NumberFormatException if the string can not be parsed
-     */
-    public static double parseDouble(char[] str) throws NumberFormatException {
-        return parseDouble(str, 0, str.length);
-    }
-
-    /**
-     * Parses a {@code FloatValue} from a {@code byte}-Array and converts it
-     * into a {@code double} value.
-     * <p>
-     * See {@link com.fasterxml.jackson.core.io.doubleparser} for the syntax of {@code FloatValue}.
-     *
-     * @param str the string to be parsed, a byte array with characters
-     *            in ISO-8859-1, ASCII or UTF-8 encoding
-     * @param off The index of the first character to parse
-     * @param len The number of characters to parse
-     * @return the parsed double value
-     * @throws NumberFormatException if the string can not be parsed
-     */
-    public static double parseDouble(char[] str, int off, int len) throws NumberFormatException {
-        return new DoubleFromCharArray().parseDouble(str, off, len);
+        return DoubleFromCharSequence.INSTANCE.parseDouble(str, offset, length);
     }
 
 }

src/main/java/com/fasterxml/jackson/core/io/doubleparser/FastFloatParser.java

@@ -43,35 +43,7 @@ public static float parseFloat(CharSequence str) throws NumberFormatException {
      * @throws NumberFormatException if the string can not be parsed
      */
     public static float parseFloat(CharSequence str, int offset, int length) throws NumberFormatException {
-        return new FloatFromCharSequence().parseFloat(str, offset, length);
-    }
-
-    /**
-     * Convenience method for calling {@link #parseFloat(char[], int, int)}.
-     *
-     * @param str the string to be parsed
-     * @return the parsed float value
-     * @throws NumberFormatException if the string can not be parsed
-     */
-    public static float parseFloat(char[] str) throws NumberFormatException {
-        return parseFloat(str, 0, str.length);
-    }
-
-    /**
-     * Parses a {@code FloatValue} from a {@code byte}-Array and converts it
-     * into a {@code float} value.
-     * <p>
-     * See {@link com.fasterxml.jackson.core.io.doubleparser} for the syntax of {@code FloatValue}.
-     *
-     * @param str the string to be parsed, a byte array with characters
-     *            in ISO-8859-1, ASCII or UTF-8 encoding
-     * @param off The index of the first character to parse
-     * @param len The number of characters to parse
-     * @return the parsed float value
-     * @throws NumberFormatException if the string can not be parsed
-     */
-    public static float parseFloat(char[] str, int off, int len) throws NumberFormatException {
-        return new FloatFromCharArray().parseFloat(str, off, len);
+        return FloatFromCharSequence.INSTANCE.parseFloat(str, offset, length);
     }
 
 }

src/main/java/com/fasterxml/jackson/core/io/doubleparser/FloatFromCharSequence.java

@@ -9,10 +9,11 @@
 /**
  * Parses a {@code float} from a {@link CharSequence}.
  */
-public class FloatFromCharSequence extends AbstractFloatValueFromCharSequence {
+final class FloatFromCharSequence extends AbstractFloatValueFromCharSequence {
 
+    final static FloatFromCharSequence INSTANCE = new FloatFromCharSequence();
 
-    public FloatFromCharSequence() {
+    private FloatFromCharSequence() {
 
     }