= = 复习下冒泡法

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public static void bubbleSort2(int[] a){for(int i=0; i<a.length-1; i++){for(int j=i; j<a.length; j++){if(a[i]>a[j]){int tmp = a[i];a[i] = a[j];a[j] = tmp;}}}System.out.println(Arrays.toString(a));}