24. 같은 숫자는 싫어

import java.util.*;

public class Solution {
    public int[] solution(int []arr) {
        int[] answer = {};
        List<Integer> list = new ArrayList<Integer>();                
        int temp = 10;        
        
        for(int i = 0 ; i < arr.length ; i++) {            
            if(arr[i] == temp){
                continue;
            }else {
                list.add(arr[i]);
                temp = arr[i];
            }            
        }
        
        answer = new int[list.size()];
        for(int i = 0 ; i < list.size() ; i++) {
            answer[i] = list.get(i);
        }
        return answer;
    }
}