search.java~18~

来自「分别是模糊识别、模糊聚类、模糊控制的实例代码」· JAVA~18~ 代码 · 共 30 行

package fuzzy_project;

class Search {
  private int low;
  private int high;
  private int middle;

  public boolean exe(int []array,int key)   //二分搜索法
  {
    low = 0;
    high = array.length-1;
    while(low <= high)
      {
       middle = (low+high)/2;
       if(key < array[middle])
       {
         high = middle-1;
       }
       if (key > array[middle])
       {
         low = middle+1;
       }
       else if(key == array[middle])
        return true;     //返回true表示找到了关键字
     }
    return false;
  }

}