数据管理(随机数等等)

取得两个数之间的值:
private static int nextInt(int min, int max) {
  Random rand = new Random();
  int value = 0;
  while(value < min){
   value = rand.nextInt(max);
  }
  return value;
}

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转载自lf6627926.iteye.com/blog/1408435