java - 它没有显示专辑中的所有歌曲

Question

        package com.company;

        import java.util.ArrayList;

        public class JukeBox {
            public String Singer_Name;
            ArrayList<Album>Albums;

            public JukeBox(String singer_Name) {
                Singer_Name = singer_Name;
                this.Albums=new ArrayList<Album>();
            }

            public boolean CreatAlbum(String Album_Name){
                if(findAlbum(Album_Name)==null){
                    this.Albums.add(new Album(Album_Name));
                    return  true;
                }
                return false;
            }


            public boolean addSongs(String Album_Name,String Singer_Name,float Song_Duration,String released_Day){
                Album Alb = findAlbum(Album_Name);
                if(Alb!=null){
                    Alb.Creeat(Singer_Name,Song_Duration,released_Day);
                    return true;
                }
                return  false;
            }
            public void AlbumNames(){
                for(Album Alb:this.Albums){
                    System.out.println(Alb.getAlbum_Name());
                }
            }



            private Album findAlbum(String Album_Name){
                for(int i=0;i<this.Albums.size();i++){
                    Album Alb=this.Albums.get(i);
                    if(Alb.getAlbum_Name().equals(Album_Name))
                        return Alb;
                }
                return null;
            }





         public boolean AlbumSOngs(String Album_Name){
         Album Alb = findAlbum(Album_Name);

         if(Alb!=null){
             System.out.println("Songs in Album "+Alb.getAlbum_Name());
             ArrayList<Songs>SongList= Alb.getSongs();
             for(int i=0;i<SongList.size();i++){
                 System.out.println(SongList.get(i).Song_Name);
                 return true;
             }

         }
         return false;
         }

        }
    //Album Class

    package com.company;

    import java.util.ArrayList;

    public class Album {

        public String Album_Name;

        ArrayList<Songs>songs;

        public Album(String album_Name) {
            Album_Name = album_Name;
            this.songs=new ArrayList<Songs>();
        }

        public boolean Creeat(String Song_Name,float Song_duration,String releasedDay ){
            if(findSong(Song_Name)==null){
                this.songs.add(new Songs(Song_Name,Song_duration,releasedDay));
                return true;
            }
            return false;
        }

        private Songs findSong(String Song_Name){
            for (int i = 0; i < this.songs.size(); i++) {
                Songs song = this.songs.get(i);
                if (song.getSong_Name().equals(Song_Name)) {
                    return song;
                }
            }
            return null;
        }


        public String getAlbum_Name() {
            return Album_Name;
        }

        public ArrayList<Songs> getSongs() {
            return songs;
        }

    }
//Song Class
package com.company;

public class Songs {
    public String Song_Name;
    public float Song_duration;
    public String Song_releasedDay;

    public Songs(String song_Name, float song_duration, String song_releasedDay) {
        Song_Name = song_Name;
        Song_duration = song_duration;
        Song_releasedDay = song_releasedDay;
    }

    public String getSong_Name() {
        return Song_Name;
    }

}

我不确定为什么它不显示专辑中的所有歌曲名称但是当我尝试显示所有专辑名称时它工作得很好但是每当我尝试打印任何专辑中的歌曲时它只显示第一首歌曲名称专辑并忽略重置点唱机类在数组列表中有专辑专辑类在数组列表中有歌曲...

标签： java