Decode XORed Array LeetCode solution in Java

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class Solution {
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  public int[] decode(int[] encoded, int first) {
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    int[] ans = new int[encoded.length + 1];
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    ans[0] = first;
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    for (int i = 0; i < encoded.length; i++) {
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      ans[i + 1] = ans[i] ^ encoded[i];
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    }
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    return ans;
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  }
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}