string-code-point-count
Java String.codePointCount()
The method codePointCount() returns the number of Unicode code points
in the specified range. The text range begins at the first index and
ends at the second index – 1.
Available Signatures
public int codePointCount(int beginIndex, int endIndex)
Example
@Test
public void whenCallCodePointCount_thenCorrect() {
assertEquals(2, "abcd".codePointCount(0, 2));
}
Throws
-
IndexOutOfBoundsException – if the first index is negative, the
first index is greater than the second index or the second index is not
less than the length of the String.
@Test(expected = IndexOutOfBoundsException.class)
public void whenSecondIndexEqualToLengthOfString_thenExceptionThrown() {
char character = "Paul".charAt(4);
}
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