BAEL-835 code files

core-java/src/main/java/com/baeldung/outofmemoryerror/java-outofmemoryerror-demo/src/main/java/com/baeldung/outofmemoryerror/java_outofmemoryerror_demo/OutOfMemoryGCLimitExceed.java

@@ -0,0 +1,14 @@
+package com.baeldung.outofmemoryerror.java_outofmemoryerror_demo;
+
+import java.util.Map;
+import java.util.Random;
+
+public class OutOfMemoryGCLimitExceed { 
+    public static void putPropertiesToMap() {
+        Map<Object, Object> map = System.getProperties();
+        Random r = new Random();
+        while (true) {
+            map.put(r.nextInt(), "value");
+        }  
+    }
+}

core-java/src/main/java/com/baeldung/outofmemoryerror/java-outofmemoryerror-demo/src/main/java/com/baeldung/outofmemoryerror/java_outofmemoryerror_demo/Test.java

@@ -0,0 +1,8 @@
+package com.baeldung.outofmemoryerror.java_outofmemoryerror_demo;
+
+public class Test {
+    public static void main( String[] args )
+    {
+        OutOfMemoryGCLimitExceed.putPropertiesToMap();
+    }
+}