Add second year

second/semester2/CT2109/Assignments/Assignment-03/code/Queue.java

@@ -0,0 +1,14 @@
+/*
+ * Abstract Queue interface
+ */
+
+public interface Queue {
+	// most important methods
+	public void   enqueue(Object n); // add an object at the rear of the queue
+	public Object dequeue();    	 // remove an object from the front of the queue
+
+	// others
+	public boolean isEmpty();       // true if queue is empty
+	public boolean isFull();      	// true if queue is full (if it has limited storage)
+	public Object  front(); 		// examine front object on queue without removing it
+}