입력값: CSV package com.company; import java.util.*; import java.util.stream.Collectors; public class Main { public static void main(String[] args) { long begin = System.nanoTime(); String key = "ROOT,Z00002,M333333333333,K/ROOT2,K/G00001,K/00003,Z00002"; String keyNm = "루트,제트공공공공이,엠삼,K루트2,지공일,공삼,젯공이"; // key = "K/ROOT2"; // keyNm = "K루트2"; // key = ""; // keyNm = ""; // key = null; // keyNm = null..
