import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.Set;
public class Hello {
public static void main(String[] args) {
String str = "vint23ner";
String cc = "vintner";
int i = str.codePointAt(1);
System.out.println(i);
System.out.println(str.equals(cc));
String val = "";
String vals = "adf";
System.out.println(val.isEmpty());
System.out.println(vals.isEmpty());
System.out.println(val.length());
System.out.println(vals.length());
String[] arr = str.split("\\d*n");
List<String> list = Arrays.asList(arr);
System.out.println(list);
for(String key: list) {
System.out.println(key);
}
}
}
