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Copy pathSelectionSort.java
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36 lines (29 loc) · 976 Bytes
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package sort;
import java.util.Arrays;
/**
* Created by TommyYang on 2018/3/12.
*/
public class SelectionSort implements IArraySort {
@Override
public int[] sort(int[] sourArr) throws Exception {
// 对 sourceArr 进行拷贝，不改变参数内容
int[] desArr = Arrays.copyOf(sourArr, sourArr.length);
//此处记住要-1， 需进行n-1轮比较
for (int i = 0; i < desArr.length - 1; i++){
int min = i;
//每轮需进行n-i次比较
for (int j = i+1; j < desArr.length; j++){
if(desArr[j] < desArr[min]){
min = j; //每轮找到最小数位置的下标
}
}
// 将找到的最小值和i位置所在的值进行交换
if(min != i){
int tmp = desArr[i];
desArr[i] = desArr[min];
desArr[min] = tmp;
}
}
return desArr;
}
}