set-mismatch.txt

class Solution {
    public int[] findErrorNums(int[] nums) {
        Arrays.sort(nums);
        int repeat=-1;
        int miss=-1;
        for(int i=1;i<nums.length;i++)
        {
        
            if(nums[i]==nums[i-1])
            {
                repeat=nums[i];
                
             }
            else if(nums[i]>nums[i]+1)
            {
                miss=nums[i]+1;
            }          
        }
        return new int[] {repeat,miss};
    }
}