Microsoft/Coding Problems 썸네일형 리스트형 10.Remove all duplicates from a given string - Easy Level geeksforgeeks geksfor package mainTest; import java.util.*; public class Main { static String removeDuplicate(String input) { int len = input.length(); StringBuffer result = new StringBuffer(); if(len == 0 || input == null ) return result.toString(); HashMap uniqueMap = new HashMap(); for(int i = 0 ; i < len ; i++) { if(!uniqueMap.containsKey(input.charAt(i))) { uniqueMap.put(input.charAt(i), 1).. 더보기 이전 1 다음