Simple class to create thousands of classes and test the performance of JEP 149 - OpenJDK 8 against OpenJDK7

ConsumeHeap.java

public class ConsumeHeap {

   public static void main(String []args) throws IOException{
       HashMap<Long,Integer> hugeMap = new HashMap<>();
       Random rand = new Random(System.currentTimeMillis());
       for (int count=0;count <5000000;count++){
           long time = System.currentTimeMillis();
           hugeMap.put(time, rand.nextInt());
       }
       System.out.println("Done");
       System.gc();
       System.in.read();
       hugeMap.size();
   } 
}