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src/main/java/kr/co/swh/lecture/opensource/project/sparkjava/ListObjectRemoveExample.java

 package kr.co.swh.lecture.opensource.project.sparkjava;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 
 public class ListObjectRemoveExample {
 	
 	public static void main(String[] args) {
+		HashMap<String, Integer> map = new HashMap<String, Integer>();	
+		
+//		if(!map.containsKey("서울")) {
+//			map.put("서울", 1);
+//		}else {
+//			map.put("서울", map.get("서울") + 1); 
+//		}
+//		
+//		String[] sList = {"서울", "광주", "서울"};
+//		서울, 1
+//		광주, 1
+//		서울, 2
+		
+		
 		List<WordCloud> list = new ArrayList<WordCloud>();
 		WordCloud w1 = new WordCloud("코딩", 1);
 		list.add(w1);
 		WordCloud w2 = new WordCloud("코딩", 2);
 		list.remove(w2);
 		list.add(w2);
+		
+		
+		System.out.println(w1.equals(w2));
 		System.out.println(list.size());
 		System.out.println(list.get(0).getSize());
+		
+		String s = "a";
+		List<String> s1 = new ArrayList<String>();
+		s1.add(s);
 	}
 }