From ea7338aa75cc2004944cd9797784f2eb791e6518 Mon Sep 17 00:00:00 2001
From: Aadit Agrawal <tech@aaditagrawal.com>
Date: Mon, 28 Oct 2024 01:07:05 +0530
Subject: [PATCH] Add OOP/Java/Assignments/FISAC/Q6.java

---
 OOP/Java/Assignments/FISAC/Q6.java | 34 ++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 OOP/Java/Assignments/FISAC/Q6.java

diff --git a/OOP/Java/Assignments/FISAC/Q6.java b/OOP/Java/Assignments/FISAC/Q6.java
new file mode 100644
index 0000000..f5954b7
--- /dev/null
+++ b/OOP/Java/Assignments/FISAC/Q6.java
@@ -0,0 +1,34 @@
+class QueueFullException extends RuntimeException {}
+class QueueEmptyException extends RuntimeException {}
+
+class ThreadSafeQueue<T> {
+    private final Object lock = new Object();
+    private final T[] queue;
+    private int size = 0;
+    private int front = 0;
+    private int rear = 0;
+
+    @SuppressWarnings("unchecked")
+    public ThreadSafeQueue() {
+        queue = (T[]) new Object[10];
+    }
+
+    public void enqueue(T item) {
+        synchronized (lock) {
+            if (size >= 10) throw new QueueFullException();
+            queue[rear] = item;
+            rear = (rear + 1) % queue.length;
+            size++;
+        }
+    }
+
+    public T dequeue() {
+        synchronized (lock) {
+            if (size == 0) throw new QueueEmptyException();
+            T item = queue[front];
+            front = (front + 1) % queue.length;
+            size--;
+            return item;
+        }
+    }
+}