import java.util.*; | |
class A<K, V> { | |
public Iterator<Map.Entry<K, V>> iterator(long revision) { | |
return new MyIterator<>(); | |
} | |
private static class MyIterator<K, V> implements Iterator<Map.Entry<K, V>> { | |
public boolean hasNext() { | |
return false; | |
} | |
public Map.Entry<K, V> next() { | |
return null; | |
} | |
public void remove() { | |
} | |
} | |
} |