algorithms/src/main/java/com/github/kuangcp/sort/Bubble.java
package com.github.kuangcp.sort;
import java.util.Arrays;
/**
* 冒泡排序,从小到大
* 最坏的情况:O(n^2)
*
* @author kcp
*/
public enum Bubble implements SortAlgorithm {
INSTANCE;
public int[] sort(int[] data) {
int[] result = Arrays.copyOf(data, data.length);
for (int i = 1; i < result.length; i++) {
//用来冒泡的语句,0到已排序的部分
for (int j = 0; j < result.length - i; j++) {
//大就交换,把最大的沉入最后
if (result[j] > result[j + 1]) {
int temp = result[j + 1];
result[j + 1] = result[j];
result[j] = temp;
}
}
}
return result;
}
}