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,它会完美显示,但是每当我尝试在任何专辑中打印歌曲时,它只会显示第一首歌曲在专辑中添加名称,并忽略重置,点唱机类将数组中的专辑列为列表专辑类中的歌曲在数组中列表中...