- seq
- the char array to look through
- offset
- the inclusive index to begin counting at.
- count
- the number of char values to look through in seq.
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Type Reason Java.Lang.NullPointerException if seq is null. Java.Lang.IndexOutOfBoundsException if offset , count or if offset + count is greater than the length of seq.
Counts the number of Unicode code points in the subsequence of the specified char array, as delineated by offset and count. Any surrogate values with missing pair values will be counted as one code point.