跟着别人写了一遍,我写就错了,有点无语,这是咋回事
import java.util.List;
import java.util.ArrayList;
public class He {
public static void main(String[] args) {
List list=new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
list.add(4);
System.out.println(list);
list.remove(Object(2)); //提示:The method Object(int) is undefined for the type Five
System.out.println(list);
}
}