Class ASCIIUtil


  • public class ASCIIUtil
    extends java.lang.Object
    Utility methods for ASCII character checking.
    • Constructor Summary

      Constructors 
      Constructor Description
      ASCIIUtil()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean isHex​(int c)
      Check whether the supplied character is a Hexadecimal character.
      static boolean isLetter​(int c)
      Checks whether the supplied character is a letter.
      static boolean isLetterOrNumber​(int c)
      Checks whether the supplied character is a letter or number.
      static boolean isLowerCaseLetter​(int c)
      Checks whether the supplied character is an lower-case letter.
      static boolean isNumber​(int c)
      Checks whether the supplied character is a number
      static boolean isUpperCaseLetter​(int c)
      Checks whether the supplied character is an upper-case letter.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • ASCIIUtil

        public ASCIIUtil()
    • Method Detail

      • isLetterOrNumber

        public static boolean isLetterOrNumber​(int c)
        Checks whether the supplied character is a letter or number.
        See Also:
        isLetter(int), isNumber(int)
      • isLetter

        public static boolean isLetter​(int c)
        Checks whether the supplied character is a letter.
      • isUpperCaseLetter

        public static boolean isUpperCaseLetter​(int c)
        Checks whether the supplied character is an upper-case letter.
      • isLowerCaseLetter

        public static boolean isLowerCaseLetter​(int c)
        Checks whether the supplied character is an lower-case letter.
      • isNumber

        public static boolean isNumber​(int c)
        Checks whether the supplied character is a number
      • isHex

        public static boolean isHex​(int c)
        Check whether the supplied character is a Hexadecimal character.
        Parameters:
        c -
        Returns:
        true if c is a hexadecimal character, false otherwise.