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package sort;
/**
* 冒泡排序
* 重复地走访过要排序的数列,一次比较两个元素,如果它们的顺序错误就把它们交换过来。走访数列的工作是重复地进行直到没有再需要交换
* <p>
* 1、初始状态:无序区为R[1..n],有序区为空
* 2、第i趟排序(i=0,1,2…n-1)开始时,当前无序区和有序区分别为R[0..n-i]和R[n-i+1..n]。
* 对每一对相邻元素进行比较,从开始第一对到结尾的最后一对,如果第一个比第二个大,就交换它们两个,这样在最后的元素应该会是最大的数
* 使R[1..n-i-1]和R[n-i..n]分别变为记录个数减少1个的新无序区和记录个数增加1个的新有序区
* 3、循环n-1次,直到排序完成
*/
public class BubbleSort {
public static void main(String[] args) {
int A[] = {6, 5, 3, 1, 8, 7, 2, 4};
for (int i = 0; i < A.length; i++) {
for (int j = 0; j < A.length - 1; j++) {
if (A[j] > A[j + 1]) {
int temp = A[j];
A[j] = A[j + 1];
A[j + 1] = temp;
}
}
}
for (int i : A) {
System.out.print(i + " ");
}
}
}
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