Palindrome Number Check in Java: Explanation & Practice

Problem summary

Write a program that checks if a number reads the same forwards and backwards.

Starter code

public class Main {
    public static void main(String[] args) {
        int number = 12321; // Test case 1
        
        // Check if number is a palindrome
        // Print: Is palindrome: <true/false>
    }
}

Expected output and test cases

• 12321 is a palindrome

  Is palindrome: true

• 12345 is not a palindrome

  Is palindrome: false

• 7 is a palindrome

  Is palindrome: true

Hints

1. Reverse the number and compare with original
2. You can also compare digits from both ends
3. Single digit numbers are always palindromes

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