//Sample19_26.java
class Sample19_26{
    public static void main(String[] args){
        String str = "ヒザカックン";
        int index = 6;
        char ch;
        final char ch0 = '*';
        try{
            ch = str.charAt(index);
        }catch(StringIndexOutOfBoundsException e){
            e.printStackTrace();
            ch = ch0;
        }
        System.out.println("str[" + index + "] = [" + ch + "]");
    }
}