Java StringBuffer codePointCount(int beginIndex,int endIndex) method Explained | Java Tutorial

In this Java Tutorial, we delve into the `codePointCount(int beginIndex, int endIndex)` method of the StringBuffer class. This method calculates the number of Unicode code points in a specified text range of a StringBuffer instance.

**Description:**
- The `codePointCount(int beginIndex, int endIndex)` method takes two parameters: `beginIndex` and `endIndex`. It returns the number of Unicode code points between the specified `beginIndex` (inclusive) and `endIndex` (exclusive) in the invoking StringBuffer.
- It counts the number of Unicode code points, not the number of characters. Unicode code points represent characters in the supplementary character plane, which includes characters beyond the Basic Multilingual Plane (BMP).
- The `beginIndex` parameter is the index of the first character in the specified text range.
- The `endIndex` parameter is the index following the last character in the specified text range.

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Java StringBuffer [codePointCount(int beginIndex,int endIndex) method] | Java Tutorial

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