打印口型星号

public class Test {
    public static void main(String[] args) {
        int n=5;
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                if((i==0) || (j==0) || (i==n-1) || (j==n-1)){
                    System.out.print("*"+"\t");
                }else {
                    System.out.print(" "+"\t");
                }
            }System.out.println();
        }
    }


}