package tomato.test;

public class Test67 {
    public int test(){
        String a = "hello world";
        String b = a.substring(0,4);
        StringHelper.print20240503(b);
        return Result.SUCCESS ;
    }

    public static void main(String[] args) {
        Test67 test67 = new Test67();
        test67.test();
    }
}
