//冒泡法
时间复杂度: O(n^2)
稳定性:稳定
package kill;
import java.util.Arrays;
public class TestDemo1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
//int []array ={3,8,9,6,4,2,7};
int[] array=new int[10000];
for(int i = 0;i < array.length;i++){
array[i] = (int)(Math.random()*10+1);
}
bubbleSort(array);
System.out.println(Arrays.toString(array));
}
public static void bubbleSort(int[] array){
System.out.println(System.currentTimeMillis()); //开始语句
int tmp = 0;
for(int i = 0;i < array.length-1;i++){//趟数
for(int j = 0;j < array.length-1-i;j++){//次数
if(array[j] > array[j+1]){
tmp = array[j];
array[j] = array[j+1];
array[j+1] = tmp;
}
}
}System.out.println(System.currentTimeMillis());//结束语句 用来计算时长
}
}
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