From a490ebdb7852768364a9e577f89c3871c4d3392c Mon Sep 17 00:00:00 2001
From: Andrei Paikin <andreypaykin@gmail.com>
Date: Sat, 19 May 2018 09:42:21 +0300
Subject: [PATCH] add isEmpty and isNotEmpty methods

---
 JSONObject.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/JSONObject.java b/JSONObject.java
index d18a556..a6ece64 100644
--- a/JSONObject.java
+++ b/JSONObject.java
@@ -963,6 +963,24 @@ public class JSONObject {
         return this.map.size();
     }
 
+    /**
+     * Check if JSONObject is empty.
+     *
+     * @return true if JSONObject is empty, otherwise false.
+     */
+    public boolean isEmpty() {
+        return map.isEmpty();
+    }
+
+    /**
+     * Check if JSONObject is not empty.
+     *
+     * @return true if JSONObject is not empty, otherwise false.
+     */
+    public boolean isNotEmpty() {
+        return !map.isEmpty();
+    }
+
     /**
      * Produce a JSONArray containing the names of the elements of this
      * JSONObject.