使用循环输出菱形文字

public class T {
  public static void main(String orgs[]) {
    int size = 5;
    for (int i = -size; i <= size; i++) {
      System.out.println();
      for (int j = -size; j <= size; j++) {
        if (Math.abs(j) > size - Math.abs(i))
          System.out.print(" ");
        else
          System.out.print("*");
      }
    }
  }
}