排序：冒泡 vs 快排

冒泡： 代码：public static void main(String[] args) { int[] arr = {1,5,3,8,4,9,5,5,6,7,2,88,54,666,47}; for (int i = 0;i <arr.length;i++){ for (int j = 0;j <arr.length-i-1;j++){

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