java easy solution
\n\nclass Solution {\n    public List<Integer> intersection(int[][] nums) {\n        \n        List<Integer> ans = new ArrayList<>();\n        \n        int[] c
```\n\nclass Solution {\n    public List<Integer> intersection(int[][] nums) {\n        \n        List<Integer> ans = new ArrayList<>();\n        \n        int[] count  = new int[1001];\n        \n        for(int[] arr : nums){\n            for(int i : arr){\n                count[i]++;\n            }\n        }\n        \n       for(int i=0;i<count.length;i++){\n           if(count[i]==nums.length){\n               ans.add(i);\n           }\n       }\n        \n        return ans;\n    }\n}\n\n```
['Array', 'Java']