data_structures_free

net/datastructures/EmptyQueueException.java

@@ -0,0 +1,15 @@
+package net.datastructures;
+
+/**
+ * Runtime exception thrown when one tries to perform operation front
+ * or dequeue on an empty queue.
+ * @author Natasha Gelfand
+ * @author Michael T. Goodrich
+ * @author Roberto Tamassia
+ */
+
+public class EmptyQueueException extends RuntimeException {  
+    public EmptyQueueException(String err) {
+    super(err);
+  }
+}