diff --git a/core-java/src/main/java/com/baeldung/outofmemoryerror/java-outofmemoryerror-demo/src/main/java/com/baeldung/outofmemoryerror/java_outofmemoryerror_demo/OutOfMemoryGCLimitExceed.java b/core-java/src/main/java/com/baeldung/outofmemoryerror/java-outofmemoryerror-demo/src/main/java/com/baeldung/outofmemoryerror/java_outofmemoryerror_demo/OutOfMemoryGCLimitExceed.java
index 57c14571c3..65b7950964 100644
--- a/core-java/src/main/java/com/baeldung/outofmemoryerror/java-outofmemoryerror-demo/src/main/java/com/baeldung/outofmemoryerror/java_outofmemoryerror_demo/OutOfMemoryGCLimitExceed.java
+++ b/core-java/src/main/java/com/baeldung/outofmemoryerror/java-outofmemoryerror-demo/src/main/java/com/baeldung/outofmemoryerror/java_outofmemoryerror_demo/OutOfMemoryGCLimitExceed.java
@@ -1,14 +1,15 @@
 package com.baeldung.outofmemoryerror.java_outofmemoryerror_demo;
 
+import java.util.HashMap;
 import java.util.Map;
 import java.util.Random;
 
 public class OutOfMemoryGCLimitExceed { 
-    public static void putPropertiesToMap() {
-        Map<Object, Object> map = System.getProperties();
+    public static void addRandomDataToMap() {
+        Map<Integer, String> dataMap = new HashMap<Integer,String>();
         Random r = new Random();
         while (true) {
-            map.put(r.nextInt(), "value");
+            dataMap.put(r.nextInt(), String.valueOf(r.nextInt()));
         }  
     }
 }