//将一个数组逆序输出。
public class Test {
public static void main(String[] args) {
int[] a = {1,2,3,4,5,6,7,8,9};
for (int i = 0; i < a.length/2; i++) {
int temp = a[i];
a[i] = a[a.length-1-i];
a[a.length-1-i] = temp;
}
for (int i : a) {
System.out.print(i+" ");
}
}
}