[JAVA]Quiz_07

Quiz07_song

• Song 클래스

  public class Song {
  	private String title;
  	private double playTime;
  	public Song(String title, double playTime) {
  		this.title = title;
  		this.playTime = playTime;
  	}
  	@Override
  	public String toString() {
  		return "Song [title=" + title + ", playTime=" + playTime + "]";
  	}
  }

• Singer 클래스

  public class Singer {
  	private String name;
  	private Song[] songs;
  	private int idx;	
  	public Singer(String name, int cnt) {
  		this.name = name;
  		songs = new Song[cnt]; 
  	}	
  	public void addSong(Song song) {
  		if(idx == songs.length) {
  			return;
  		}
  		songs[idx++] = song;
  	}
  	public void info() {
  		System.out.println("가수이름 " + name );
  		System.out.println("대표곡");
  		for(int i = 0 ; i < idx; i++) {
  			System.out.println(songs[i]);
  		}
  	}
  }

• Producer 클래스

  public class Producer {
  	public void produce(Singer singer, Song song) {
  		singer.addSong(song);		
  	}
  }

• Main

  public class Main {
  	public static void main(String[] args) {	
  		Producer producer = new Producer();		
  		Singer singer = new Singer("선미", 2);    // 선미의 노래가 2개		
  		Song song1 = new Song("노래1", 3.5);
  		Song song2 = new Song("노래2", 4.5);
  				producer.produce(singer, song1);
  		producer.produce(singer, song2);		
  		singer.info();
  	}
  }