import java.util.Random;
public class Masidf {
public static void main(String arg[]){
String[] musicUrl={"/music/1.mp3",
"/music/2.mp3",
"/music/3.mp3",
"/music/4.mp3",
"/music/5.mp3",
"/music/6.mp3",
"/music/7.mp3",
"/music/8.mp3",
"/music/9.mp3",
"/music/10.mp3"};
shuffle(musicUrl);
for(String music:musicUrl){
System.out.println(music);
}
}
public static void shuffle(String[] musicUrl){
int shuffle_key;
String temp;
Random rand = new Random();
for(int i = 0; i < musicUrl.length; i++){
shuffle_key = rand.nextInt(musicUrl.length-1);
temp = musicUrl[i];
musicUrl[i] = musicUrl[shuffle_key];
musicUrl[shuffle_key] = temp;
}
}
}
洗牌算法
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