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  1.  class Ideone {
  2.     public static void main(String[] args) {
  3.         int n = 5; // You can change n to any odd number
  4.         if (n % 2 == 1) {
  5.             printPattern(n);
  6.         } else {
  7.             System.out.println("The input number must be odd.");
  8.         }
  9.     }
  10.  
  11.     public static void printPattern(int n) {
  12.         int totalRows = n + 2;
  13.         int rowLength = n + (n + 1) / 2;
  14.  
  15.         // Print the first n rows
  16.         for (int i = 0; i < n; i++) {
  17.             StringBuilder row = new StringBuilder();
  18.             for (int j = 0; j < rowLength - (n + 1) / 2; j++) {
  19.                 row.append(" "); // g means space
  20.             }
  21.             for (int j = 0; j < (n + 1) / 2; j++) {
  22.                 row.append("e");
  23.             }
  24.             System.out.println(row.toString());
  25.         }
  26.  
  27.         // Print the last 2 rows
  28.         // Row n+1
  29.         int stars = n / 2;
  30.         int leadingSpaces = (n + 1) / 2 - stars;
  31.         StringBuilder rowNPlus1 = new StringBuilder();
  32.         for (int j = 0; j < leadingSpaces; j++) {
  33.             rowNPlus1.append(" ");
  34.         }
  35.         for (int j = 0; j < stars; j++) {
  36.             rowNPlus1.append("*");
  37.         }
  38.         for (int j = 0; j < (n + 1) / 2; j++) {
  39.             rowNPlus1.append("e");
  40.         }
  41.         System.out.println(rowNPlus1.toString());
  42.  
  43.         // Row n+2
  44.         StringBuilder rowNPlus2 = new StringBuilder();
  45.         for (int j = 0; j < n; j++) {
  46.             rowNPlus2.append("*");
  47.         }
  48.         for (int j = 0; j < (n + 1) / 2; j++) {
  49.             rowNPlus2.append("e");
  50.         }
  51.         System.out.println(rowNPlus2.toString());
  52.     }
  53. }
  54.  
Success #stdin #stdout 0.1s 52724KB
comments (?)
stdin 
Standard input is empty
stdout 
     eee
     eee
     eee
     eee
     eee
 **eee
*****eee
https://ideone.com/iLQzzq
language:
Java (HotSpot 12)
created:
5 days ago
visibility:
public

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