將map放到list中，找出指定的value值在那個map中

package facadeTest.mapAndObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 將map放到list中，找出指定的value值在那個map中 Object可以強轉成map
 * 
 */
public class MapAndObjectChange {
	public static void main(String[] args) {
		Map<String, Object> map = new HashMap<String, Object>();
		Map<String, Object> map01 = new HashMap<String, Object>();
		Map<String, Object> map02 = new HashMap<String, Object>();
		List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
		List<Map<String, Object>> list01 = new ArrayList<Map<String, Object>>();
		map.put("1", "fds");
		map.put("2", "valu");
		map01.put("3", "a");
		map01.put("4", "b");
		list.add(map);
		list.add(map01);
		// Object可以強轉成map
		for (Object object : list) {
			map02 = (Map<String, Object>) object;
			String value = (String) map02.get("3");
			if ("a".equals(value)) {
				list01.add(map02);
			}
		}
		System.out.println(list01);
	}
}