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* @param a ÓÃÓÚÅÅÐòµÄÊý×é
* */
public void selectSort(double[] a){

for(int i = 0; i < a.length -1; i ++){

int smallIndex = i;
for(int j = i;j < a.length; j ++){//ÕÒµ½×îСµÄÖµ¼°ÆäϱêλÖÃ
if(a[j] < a[smallIndex]){
smallIndex = j;
}
}

if( i != smallIndex ){//½«×îÐ¡ÔªËØ·Åµ½µ±Ç°iλÖ㬽«iλÖÃÔªËØ·Åµ½×îÐ¡ÔªËØµÄλÖã¬Íê³É½»»»
double temp = a[i];
a[i] = a[smallIndex];
a[smallIndex] = temp;
}
}

}

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