http://blog.naver.com/PostView.nhn?blogId=kimhw9999&logNo=90063726507&viewDate=&currentPage=1&listtype=0 import java.util.*; public class TestSortSetAndMap { public static void main(final String[] args) { System.out.println("==========\tset sorting by value"); Setset=new HashSet(); set.add(new String("김삿갓")); set.add(new String("홍길동")); set.add(new String("춘향이")); set.add(new String("이도령")); set..