class Solution { public String solution(int[] numLog) { String answer = ""; int num = 0; for(int i = 0; i < numLog.length-1; i++) { if (numLog[i+1] == numLog.length-1) { num = 0 - numLog[i]; } else { num = numLog[i+1] - numLog[i]; } switch(num) { case 1 : answer += "w"; break; case -1 : answer += "s"; break; case 10 : answer += "d"; break; case -10 : answer += "a"; break; } } return answer; } }

class Solution { public int solution(int age) { int answer = (2022 - age) + 1; return answer; } }

class Solution { public int[] solution(int n) { String str = ""; for(int i = 1; i

class Solution { public int solution(String binomial) { int answer = 0; String[] num = binomial.split(" "); String op = num[1]; switch(op) { case "+" : answer = Integer.parseInt(num[0]) + Integer.parseInt(num[2]); break; case "-" : answer = Integer.parseInt(num[0]) - Integer.parseInt(num[2]); break; case "*" : answer = Integer.parseInt(num[0]) * Integer.parseInt(num[2]); break; } return answer; ..

import java.util.*; class Solution { public String[] solution(String my_string) { String[] answer = new String[my_string.length()]; for(int i = 0; i < my_string.length(); i++) { answer[i] = my_string.substring(i); } Arrays.sort(answer); return answer; } }