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Android Reference

CharSequence


java.lang

Interface CharSequence

    • Method Summary

      Methods
      Modifier and Type Method and Description
      char charAt(int index)
      Returns the character at the specified index, with the first character having index zero.
      int length()
      Returns the number of characters in this sequence.
      CharSequence subSequence(int start, int end)
      Returns a CharSequence from the start index (inclusive) to the end index (exclusive) of this sequence.
      String toString()
      Returns a string with the same characters in the same order as in this sequence.
    • Method Detail

      • length

        int length()
        Returns the number of characters in this sequence.
        Returns:
        the number of characters.
      • charAt

        char charAt(int index)
        Returns the character at the specified index, with the first character having index zero.
        Parameters:
        index - the index of the character to return.
        Returns:
        the requested character.
        Throws:
        IndexOutOfBoundsException - if index < 0 or index is greater than the length of this sequence.
      • subSequence

        CharSequence subSequence(int start,
                               int end)
        Returns a CharSequence from the start index (inclusive) to the end index (exclusive) of this sequence.
        Parameters:
        start - the start offset of the sub-sequence. It is inclusive, that is, the index of the first character that is included in the sub-sequence.
        end - the end offset of the sub-sequence. It is exclusive, that is, the index of the first character after those that are included in the sub-sequence
        Returns:
        the requested sub-sequence.
        Throws:
        IndexOutOfBoundsException - if start < 0, end < 0, start > end, or if start or end are greater than the length of this sequence.
      • toString

        String toString()
        Returns a string with the same characters in the same order as in this sequence.
        Overrides:
        toString in class Object
        Returns:
        a string based on this sequence.


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