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分享import java.util.LinkedHashMap;
import java.util.Map;
public class Test {
public static void main(String args[]) {
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("1", "a");
map.put("2", "b");
for(Map.Entry<String, String> entry : map.entrySet()) {
System.out.println(entry.getKey() + " --> " + entry.getValue());
}
}
}for (Iterator iter = map.entrySet().iterator(); iter.hasNext();) {
Map.Entry entry = (Map.Entry) iter.next();
Object key = entry.getKey();
Object value = entry.getValue();
// ...
}
Iterator it = map.entrySet().iterator();
while(it.hasNext()) {
Map.Entry entry = (Map.Entry)it.next();
Object key = entry.getKey();
Object value = entry.getValue();
}