1.

List<Map<String, Object>> ItemList = Lists.newArrayList();
List<Map<String, Object>> skipList = Lists.newArrayList();
Map<String, Object> item1 = Maps.newHashMap();
item1.put("name", "001");
item1.put("age", "1");
ItemList.add(item1);

Map<String, Object> item2 = Maps.newHashMap();
item2.put("name", "002");
item2.put("age", "2");
ItemList.add(item2);
skipList.add(item2);

Map<String, Object> item3 = Maps.newHashMap();
item3.put("name", "003");
item3.put("age", "3");
ItemList.add(item3);
skipList.add(item3);

Map<String, Object> item4 = Maps.newHashMap();
item4.put("name", "004");
item4.put("age", "4");
ItemList.add(item4);

Map<String, Object> skipItem4 = Maps.newHashMap();
skipItem4.put("name", "004");
skipItem4.put("age", "4");
skipList.add(skipItem4);

Map<String, Object> item5 = Maps.newHashMap();
item5.put("name", "005");
item5.put("age", "5");
ItemList.add(item5);

for (Map<String, Object> _item : ItemList)
{
    out.println("<br/>");
    out.println(_item.get("name"));
    out.println(_item.get("age"));
    out.println(skipList.contains(_item));
}
Java

001 1 false 
002 2 true 
003 3 true 
004 4 true 
005 5 false 

 

2.

List<String> pkcProgCd =  Lists.newArrayList("70", "80", "90");
            
if (pkcProgCd.contains(_pkc.get("pkc_prog_cd")))
{
}
Java