Question

尝试创建对象的新实例。我想制作一部新电影并将其展示在一个arraylist中。

所以我有两节课。

第1类

public class Films {

//Film Attributes
private String title, studio, director;
private int release, duration, rating;


//default constructor
public Films(){
    title = null;
    studio = null;
    director = null;
    release = 0;
    duration = 0;
    rating = 0;
}

//Start of Film method
public void setFilms(String title, String studio, String director, 
                  int release, int duration, int rating) 
{
    this.title = title;
    this.studio = studio;
    this.director = director;
    this.release = release;
    this. duration = duration;
    this.rating = rating;
}//end of Film method

//Start of getString method
public String getString(){
    return "\nTitle: " + title + "\nRelease: " + release + "\nDuration: " + duration
            + "\nStudio: " + studio + "\nDirector: " + director + "\nRating: " + rating
            + "\n";
}//end of getString method

}

和2级

    //start of createFilm() method
private static void createFilm(){

    Films newfilm = new Films(); //create a new instance of a film object

    System.out.println("Film Title: ");
    String title = in.next();

    System.out.println("Release Date: ");
    int release = in.nextInt();

    System.out.println("Duration: ");
    int duration = in.nextInt();

    System.out.println("Studio: ");
    String studio = in.next();

    System.out.println("Director: ");
    String director = in.next();

    System.out.println("Rating: ");
    int rating = in.nextInt();

    newfilm.setFilms(title, release, duration, studio, director, rating);
    myfilms.add(newfilm);
}

}

我只包括了我在课堂上遇到麻烦的方法。基本上我遇到的麻烦就是在第2课那一行;

Films newfilm = new Films(); //create a new instance of a film object

告诉我＆＃39;电影无法解析为类型＆＃39; X2。所以两部电影都是＆＃39;。

我想象一些非常愚蠢和愚蠢的东西，我忽略了，假设或错过了但是我无法弄清楚问题是什么。

这是我关于这个主题的第一篇文章，因为如果我错过了有价值的关键信息和部分代码，你可以告诉我很抱歉。我是编程新手。

Answer 1

这是一个导入问题，你需要在这里添加导入语句是一个例子

注意第一行包com.ura.stam.com.ura.stammm;它基本上是你班级的地方

package com.ura.stam.com.ura.stammm;

public class MyFilms {

public MyFilms(){
    System.out.println("Callin constructor of films class");
}

}

现在看看我如何将它导入其他类注意第二行导入com.ura.stam.com.ura.stammm.MyFilms;它告诉编译将此类带到MyTestClass

package com.ura.stam.com.ura.sdss;
import com.ura.stam.com.ura.stammm.MyFilms;

public class MyTestClass{
public static void main(String[] args) {
    MyFilms myFilms = new MyFilms();
}

}

＆＃34;无法解析为某种类型＆＃34;

1 个答案: