版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/u011066470/article/details/87435187
要求:123456789,倒序输出:987654321
public class DiGuiDigital {
public static void main(String args[]){
int n=123456789;//倒序输出:987654321
StringBuffer sb=new StringBuffer();
show( n, sb );
System.out.println("sb:"+sb.toString());
}
public static void show(int n,StringBuffer sb ){
if(n>0){
int k=n%10;
sb.append(k);
show(n/10,sb);
}
}
}
结果:
sb:987654321