From 1eee65d3b2a0be3dfcc828f36a6d13492472bf17 Mon Sep 17 00:00:00 2001
From: Amal Bijoy <amalbijoy2007@gmail.com>
Date: Tue, 7 Apr 2026 11:48:41 +0530
Subject: [PATCH] Replace System.exit with graceful loop exit in PriorityQueue

---
 Data-Structures/Queue/PriorityQueue.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Data-Structures/Queue/PriorityQueue.java b/Data-Structures/Queue/PriorityQueue.java
index 969f978..aa99dca 100644
--- a/Data-Structures/Queue/PriorityQueue.java
+++ b/Data-Structures/Queue/PriorityQueue.java
@@ -86,7 +86,8 @@ public class PriorityQueue {
     public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
         MaxHeapPriorityQueue pq = new MaxHeapPriorityQueue(100);
-        while (true) {
+        boolean running = true;
+        while (running) {
             System.out.println("\n--- Priority Queue Menu ---");
             System.out.println("1. Insert");
             System.out.println("2. Delete (Highest Priority)");
@@ -109,10 +110,12 @@ public static void main(String[] args) {
                     pq.display();
                     break;
                 case 4:
-                    System.exit(0);
+                    running = false;
+                    break;
                 default:
                     System.out.println("Invalid choice!");
             }
         }
+        sc.close();
     }
 }