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25 lines
357 B
25 lines
357 B
package class013;
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public class Code01_PalindromeNumber {
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public static boolean isPalindrome(int n) {
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if (n < 0) {
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return false;
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}
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n = Math.abs(n);
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int help = 1;
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while (n / help >= 10) {
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help *= 10;
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}
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while (n != 0) {
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if (n / help != n % 10) {
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return false;
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}
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n = (n % help) / 10;
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help /= 100;
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}
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return true;
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}
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}
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