import java.util.HashMap; import java.util.Iterator; public class ExIterator { public static void main(String[] args) { HashMap map = new HashMap(); map.put("key1","test1"); map.put("key2","test2"); map.put("key3","test3"); StringBuffer buf = new StringBuffer(); for (Iterator itr = map.keySet().iterator();itr.hasNext();){ String key = (String)itr.next(); String value = (String)map.get(key); System.out.println(key +" = " + value); } } }
import java.util.HashMap; import java.util.Iterator; public class ExIterator { public static void main(String[] args) { HashMap map = new HashMap(); map.put("key1","test1"); map.put("key2","test2"); map.put("key3","test3"); StringBuffer buf = new StringBuffer(); Iterator itr = map.keySet().iterator(); while (itr.hasNext()) { String key = (String)itr.next(); String value = (String)map.get(key); System.out.println(key +" = " + value); } } }Java1.5(Java5.0)から拡張for文が新機能で使えるようになっています。