这里的例子是正六边形
public static void main(String[] args) {
int x=0;
for (int i = 1; i <= 3; i++) {
for (int j = 5- (i+x); j >= 0; j--) {
System.out.print(" ");
}
for (int j = 0; j < 2 * i - 1; j++) {
System.out.print("* ");
}
System.out.println();
System.out.println();//分两行
for (int j = 4- (i+x); j >= 0; j--) {
System.out.print(" ");
}
for (int j = 0; j < 2 * i ; j++) {
System.out.print("* ");
}
System.out.println();
System.out.println();//分两行
x=x+1;
}
}