java迭代map
java迭代map:
1 import java.util.HashMap; 2 import java.util.Iterator; 3 import java.util.Map; 4 import java.util.Map.Entry; 5 6 public class TestMap { 7 /** 8 * @param args 9 */ 10 public static void main(String[] args) { 11 // TODO Auto-generated method stub 12 Map m = new HashMap(); 13 m.put("sb", "s"); 14 m.put("bs", "b"); 15 Iterator<Entry<String, String>> it = m.entrySet().iterator(); 16 while (it.hasNext()) { 17 Map.Entry<String, String> entry = it.next(); 18 String key = entry.getKey(); 19 String value = entry.getValue(); 20 System.out.println("key = " + key + "; value = " + value); 21 } 22 } 23 }