From 2d725cce52f7408c0f90cc03c40cb0a358ab017f Mon Sep 17 00:00:00 2001
From: Zahra Gharagozloo Mazlaghan <z.gharagozloo.m@gmail.com>
Date: Wed, 22 Apr 2026 15:59:05 +0330
Subject: [PATCH] Main Exercise 1 completed.

---
 src/main/java/MainExercises.java    | 29 +++++++++--------------------
 src/test/java/MainTestTriangle.java |  2 +-
 2 files changed, 10 insertions(+), 21 deletions(-)

diff --git a/src/main/java/MainExercises.java b/src/main/java/MainExercises.java
index 21581ea..a8fd7fb 100644
--- a/src/main/java/MainExercises.java
+++ b/src/main/java/MainExercises.java
@@ -1,28 +1,17 @@
 public class MainExercises
 {
-    /*
-    you should create a triangle with "*" and return a two-dimensional array of characters based on that
-    the triangle's area is empty, which means some characters should be " "
-
-    example 1, input = 3:
-    *
-    **
-    ***
-
-    example 2, input = 5:
-    *
-    **
-    * *
-    *  *
-    *****
-
-    the output has to be a two-dimensional array of characters, so don't just print the triangle!
- */
     public char[][] generateTriangle(int n) {
+        char[][] Triangle = new char[n][];
 
-        // todo
-        return null;
+        for(int i=0; i<n; i++) {
+            Triangle[i] = new char[i+1];
+            for (int j = 0; j <= i; j++) {
+                if (j == 0 || i == n-1 || i == j) {Triangle[i][j] = '*';}
+                else {Triangle[i][j] = ' ';}
+            }
+        }
 
+        return Triangle;
     }
 
 
diff --git a/src/test/java/MainTestTriangle.java b/src/test/java/MainTestTriangle.java
index ea7173f..52d1218 100644
--- a/src/test/java/MainTestTriangle.java
+++ b/src/test/java/MainTestTriangle.java
@@ -51,4 +51,4 @@ public class MainTestTriangle {
         char[][] expected = {};
         assertArrayEquals(expected, ex.generateTriangle(0));
     }
-}
+}
\ No newline at end of file