Random ra = new Random();
æ
Random ra = new Random(int seed);
public int Next();
ç¨æ³ï¼ra.Next();
å®è¿åä¸ä¸ªå¤§äºæçäºé¶èå°äº2,147,483,647çæ°ï¼è¿å¹¶ä¸æ»¡è¶³æ们çéè¦ï¼ä¸é¢æ们ä»ç»å®çéè½½å½æ°åå
¶å®ä¸äºæ¹æ³ã
public int Next(int maxValue);
ç¨æ³ï¼ra.next(20)
è¿åä¸ä¸ªå°äºææå®æ大å¼(æ¤å¤ä¸º20)çæ£éæºæ°ã
public int Next(int minValue, int maxValue);
ç¨æ³ï¼ra.next(1,20)
è¿åä¸ä¸ªæå®èå´å
(æ¤å¤ä¸º1-20ä¹é´)çéæºæ°ï¼æ们å¨ä¸é¢çå®ä¾ä¸ä¼ç¨å°æ¤å½æ°ã
ç±»System.Randomè¿æå 个æ¹æ³åå«æ¯:
å
Œ
±æ¹æ³ï¼
NextBytesç¨éæºæ°å¡«å
æå®åèæ°ç»çå
ç´ ã
NextDoubleè¿åä¸ä¸ªä»äº 0.0 å 1.0 ä¹é´çéæºæ°ã
åä¿æ¤çæ¹æ³ï¼
Sampleè¿åä¸ä¸ªä»äº 0.0 å 1.0 ä¹é´çéæºæ°ï¼åªå
许å类对象访é®ã
温馨提示:答案为网友推荐,仅供参考