package com.greetings;

import java.util.concurrent.ConcurrentHashMap;

public class Main {
    public static void main(String[] args) {
        System.out.println(new ConcurrentHashMap());
    }
}

@@ -17,16 +17,38 @@
 tings;%0A%0A
+import java.util.Map;%0A
 import j
@@ -86,16 +86,16 @@
 ashMap;%0A
-
 %0Apublic 
@@ -164,50 +164,208 @@
     
-System.out.println(new ConcurrentHashMap()
+Map%3CInteger, String%3E myMap = new ConcurrentHashMap%3CInteger,         String%3E();%0A        myMap.put(1, %22one%22);%0A        myMap.put(2, %22two%22);%0A        myMap.put(3, %22three%22);%0A        System.out.println(myMap
 );%0A 

Add further output to main