class Solution { public int solution(int[] numbers) { int answer = 0; for(int i = 0; i numbers[j]) { int tmp = numbers[j]; numbers[j] = numbers[i]; numbers[i] = tmp; } } } answer = numbers[numbers.length-1] * numbers[numbers.length-2]; return answer; } }

class Solution { public String solution(String myString) { String answer = myString.toLowerCase(); return answer; } } class Solution { public String solution(String myString) { String answer = myString.toUpperCase(); return answer; } }

class Solution { public int solution(int n) { int answer = 0; answer = (int) Math.ceil((double) n / 7); return answer; } }

class Solution { public String solution(String my_string, int n) { String answer = ""; int cnt = 0; for(int i = 0; i < my_string.length(); i++) { while(cnt < n) { answer += my_string.charAt(i); cnt ++; } cnt = 0; } return answer; } }

class Solution { public int solution(int[] sides) { int answer = 2; for(int i = 0; i sides[j]) { int tmp = sides[j]; sides[j] = sides[i]; sides[i] = tmp; } } } if(sides[2] < sides[0]+sides[1]) { answer = 1; } return answer; } }