import java.util.*;

class Test {

static  public void main(String args[]) {
    HashMap h1=new HashMap();
    HashMap h2=new HashMap();

    h1.put(new Integer(1), new Integer(2));
    h2.put(new Boolean(true), new Boolean(false));

    for (Iterator i=h1.entrySet().iterator(); i.hasNext();) {
      Map.Entry entry=(Map.Entry)i.next();
      Integer l=(Integer)entry.getKey();
    }

    for (Iterator i=h2.entrySet().iterator(); i.hasNext();) {
      Map.Entry entry=(Map.Entry)i.next();
      Boolean l=(Boolean)entry.getKey();
    }
  }
}