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- public class isPalindrome {
- public boolean isPalindrome(String input) {
- if (input.isEmpty()) {
- return true;
- }
- if(input.length() == 1) {
- return true;
- }
- if(input.charAt(0) == input.charAt(input.length()- 1)) {
- return true;
- }
- if(input.charAt(0) == input.charAt(input.length() - 1) && isPalindrome(input.substring(1, input.length() - 2))) {
- return true;
- }
- return false;
- }
- public static void main(String[] args) {
- int i = 1;
- int j = 1;
- int k = j * i;
- for (i=1;i<1000;i++) {
- for (j=1;j<1000;j++) {
- int r = j*i;
- if(r > k && isPalindrome(r)) k = r;
- }
- }
- System.out.println(k);
- }
- }
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