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  1. import java.util.Scanner;
  2. class Heart_Shape {
  3.     public static void main(String[] args) {
  4.         Scanner scanner = new Scanner(System.in);
  5.         System.out.print("Enter the size of the heart (odd number): ");
  6.         int size = scanner.nextInt();
  7.  
  8.         if (size % 2 == 0) {
  9.             System.out.println("Size must be an odd number.");
  10.             return;
  11.         }
  12.  
  13.         for (int i = size / 2; i <= size; i += 2) {
  14.             for (int j = 1; j < size - i; j += 2) {
  15.                 System.out.print(" ");
  16.             }
  17.  
  18.             for (int j = 1; j <= i; j++) {
  19.                 System.out.print("*");
  20.             }
  21.  
  22.             for (int j = 1; j <= size - i; j++) {
  23.                 System.out.print(" ");
  24.             }
  25.  
  26.             for (int j = 1; j <= i; j++) {
  27.                 System.out.print("*");
  28.             }
  29.  
  30.             System.out.println();
  31.         }
  32.  
  33.         for (int i = size; i >= 1; i--) {
  34.             for (int j = i; j < size; j++) {
  35.                 System.out.print(" ");
  36.             }
  37.  
  38.             for (int j = 1; j <= (i * 2) - 1; j++) {
  39.                 System.out.print("*");
  40.             }
  41.  
  42.             System.out.println();
  43.         }
  44.  
  45.         scanner.close();
  46.     }
  47. }
  48.  
Success #stdin #stdout 0.14s 56672KB
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Enter the size of the heart (odd number): Size must be an odd number.
https://ideone.com/aF4GDG
language:
Java (12.0.1)
created:
175 days ago
visibility:
public

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