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package string_rekursiv;

public class String_Rekursiv 
{
    public static void main(String[] args) 
    {
        System.out.println(countX("xxhi"));
    }    

    static int countX (String str)
    {
        char [] array = new char [str.length()];
        array = str.toCharArray();
        
        
        int i=0;
        if (i<array.length)
        {
            return array[i]=='x'?1 + countX(str) :0 + countX(str);
        }
        return 0;