Java基础排序—冒泡排序

package weekNumber4;
//冒泡排序倒序排列
import java.util.Arrays;
public class Test3_BubbleSort {
	public static void main(String[] args) {
		int[] a = {4,3,7,2,9,3,1,8};
		for(int i = 0;i<a.length-1;i++) {
			for(int j = 0;j<a.length-1-i;j++) {
				if(a[j]<a[j+1]) {
					int t = a[j];
					a[j] = a[j+1];
					a[j+1] = t;
				}
			}
		}
		System.out.println(Arrays.toString(a));
	}
}