은은하게 코드 뿌시기

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 package coding; import java.util.*; class code1_Treeset { public static void main(String[] args) { System.out.println("Treeset test"); //중복되지않는 데이터를 허용하지않는 트리형구조. int[] arr1= {1,2,30,5,4,7,8,10,2,9,10,11,13,17,20,22}; TreeSet treeset = new TreeSet(); for (int i=0; i