1 files changed, 13 insertions, 0 deletions
diff --git a/src/main/PlayGround.java b/src/main/PlayGround.java
new file mode 100644
index 0000000..14a4c80
--- /dev/null
+++ b/src/main/PlayGround.java
@@ -0,0 +1,13 @@
+import java.util.PriorityQueue;
+import java.util.HashMap;
+public class PlayGround {
+    static int testPriorityQueue() {
+        PriorityQueue<Integer> numbers = new PriorityQueue<>();
+        numbers.add(7);
+        numbers.add(5);
+        numbers.add(8);
+        numbers.add(3);
+       return numbers.poll();
+    }
+
+}