Class Strings

    • Method Detail

      • repeat

        public static String repeat​(char ch,
                                    int count)
        Gives a string consisting of the given character repeated the given number of times.
        Parameters:
        ch - the character to repeat
        count - how many times to repeat the character
        Returns:
        the resultant string
      • isNullOrEmpty

        public static boolean isNullOrEmpty​(String target)
        Tells whether the given string is either or consists solely of whitespace characters.
        Parameters:
        target - string to check
        Returns:
        true if the target string is null or empty
      • surround

        public static String surround​(String target,
                                      char begin,
                                      char end)
        Gives a string consisting of a given string prepended and appended with surrounding characters.
        Parameters:
        target - a string
        begin - character to prepend
        end - character to append
        Returns:
        the surrounded string
      • join

        public static String join​(String[] pieces,
                                  String separator)
        Gives a string consisting of the elements of a given array of strings, each separated by a given separator string.
        Parameters:
        pieces - the strings to join
        separator - the separator
        Returns:
        the joined string
      • join

        public static String join​(Iterable<String> pieces,
                                  String separator)
        Gives a string consisting of the string representations of the elements of a given array of objects, each separated by a given separator string.
        Parameters:
        pieces - the elements whose string representations are to be joined
        separator - the separator
        Returns:
        the joined string