Question: Java given inarr of string numbers, combine integers together ex: 13, 31 --> 1331, so that the resulting string is a palindrome. Find the count

Java

given inarr of string numbers, combine integers together ex: 13, 31 --> 1331, so that the resulting string is a palindrome. Find the count of all unique palindromic numbers. If no palindromic numbers exist return -1. Sample input: 43,13,456,31,57,54,900 Sample output: 2 Java

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