```java
Map map = new HashMap();
Iterator iter = map.entrySet().iterator();
while (iter.hasNext()) {
    Map.Entry entry = (Map.Entry)iter.next();
    Object key = entry.getKey();
    Object val = entry.getValue();
}

for (Map.Entry entry : map.entrySet()) {
    Object key = entry.getKey();
    Object val = entry.getValue();
}
```