題目描述
列印空心正方形
輸入描述
輸入一個整數n,1<=n<=100
輸出描述
輸出一個有字元’‘構成的空心正方形(隻有邊界上有’’)
樣例輸入
5
樣例輸出
package dayinkongxinzhengfangxing;
import java.util.Scanner;
public class zfx {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
// TODO Auto-generated method stub
int i,j;
int m = input.nextInt();
for(i=1;i<=m;i++){
if(i == 1 || i == m){
for(j = 1;j <=m ; j++)
System.out.print("*");
}
System.out.print("\n");
if(i > 1 && i < m){
for(j = 1; j <= m; j++){
if(j==1||j==m){
System.out.print("*");
}
else {
System.out.print(" ");
}
}
System.out.print("\n");
}
}
}
}