Java Tutorial : Java String [codePointCount(int beginIndex,int endIndex) method]

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Java Tutorial : Java String [codePointCount(int beginIndex,int endIndex) method] 

CodePointCountDemo.java

/*
 * public int codePointCount(int beginIndex, int
 *                                      endIndex)
 * 
 * Parameters: 
 * ---------- 
 * beginIndex - the index to the first char of the text
 * range. 
 * 
 * endIndex - the index after the last char of
 * the text range.
 * 
 * Returns: 
 * ------- 
 * the number of Unicode code points in the specified
 * text range
 * 
 * Throws: 
 * ------ 
 * IndexOutOfBoundsException - if the beginIndex is
 * negative, or endIndex is larger than the length of
 * this String, or beginIndex is larger than endIndex.
 */

public class CodePointCountDemo
{

    public static void main(String[] args)
    {
        String str = "JAVA programming language";
        System.out.println("String = " + str);

        int retval = str.codePointCount(1, 8);

        System.out.println("Codepoint count = " + retval);

    }

}

Output

String = JAVA programming language
Codepoint count = 7

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/StringDemo_codePointCount_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StringDemo_codePointCount_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/12836b6e32056aa84ee5263036ba2429cc0bd845/BasicJava/StringDemo_codePointCount_App/?at=master

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