package fuxi;
public class Diamond {
public static void main(String[] args) {
printHollowRhombus(4);
}
private static void printHollowRhombus(int size) {
if (size%2 == 0) {
size++;
}
for(int i = 0; i<size/2+1; i++){
for (int j=size/2+1; j>i+1; j-- ) {
System.out.print(" "); //输出左上角的空白
}
for (int j=0; j<2*i+1; j++) {
if (j==0 || j==2*i) {
System.out.print("*"); //输出上半部的边缘
}else{
System.out.print(" "); //输出菱形上半部的空心
}
}
System.out.println("");// 换行
}
for (int i=size/2+1; i<size; i++) {
for (int j=0; j<i-size/2; j++) {
System.out.print(" ");//输出左下角的空白
}
for (int j=0; j<2*size-1 - 2*i; j++ ) {
if (j==0 || j==2*(size-i-1)) {
System.out.print("*"); //输出下半部的边缘
}else{
System.out.print(" ");//输出菱形下半部的空心
}
}
System.out.println("");// 换行
}
}
}