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/**
*Ãû³Æ:BinarySearch
*¹¦ÄÜ:ʵÏÖÁËÕÛ°ë²éÕÒ(¶þ·Ö²éÕÒ)µÄµÝ¹éºÍ·ÇµÝ¹éËã·¨.
*˵Ã÷:
* 1¡¢ÒªÇóËù²éÕÒµÄÊý×éÒÑÓÐÐò,²¢ÇÒÆäÖÐÔªËØÒÑʵÏÖComparable<T>½Ó¿Ú,ÈçInteger¡¢StringµÈ.
* 2¡¢·ÇµÝ¹é²éÕÒʹÓÃsearch();,µÝ¹é²éÕÒʹÓÃsearchRecursively();
*
*±¾³ÌÐò½ö¹©±à³Ìѧϰ²Î¿¼
*
*@author: Winty
*@date: 2008-8-11
*@email: wintys@gmail.com
*/
class BinarySearch<T extends Comparable<T>> {
private T[] data;//ÒªÅÅÐòµÄÊý¾Ý
public BinarySearch(T[] data){
this.data = data;
}
public int search(T key){
int low;
int high;
int mid;
if(data == null)
return -1;
low = 0;
high = data.length - 1;
while(low <= high){
mid = (low + high) / 2;
System.out.println("mid " + mid + " mid value:" + data[mid]);///
if(key.compareTo(data[mid]) < 0){
high = mid - 1;
}else if(key.compareTo(data[mid]) > 0){
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