How to convert Integer Array to String in java code examples

public static String arrayToString(Integer[] a, String separator) {
    String result = "";
    if (a.length > 0) {
        result = a[0].toString();    // start with the first element
        for (int i=1; i
            result = result + separator + a[i];
        }
    }
    return result;
}

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