26 lines
988 B
Java
26 lines
988 B
Java
public class IsPalindromeArray {
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public static void main(String[] args) {
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System.out.println(isPalindrome(new int[] { 1, 2, 3, 4, 5, 4, 3, 2, 1 }));
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System.out.println(isPalindrome(new int[] { 10, 20, 20, 10 }));
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System.out.println(isPalindrome(new int[] { 1 }));
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System.out.println(isPalindrome(new int[] {}));
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System.out.println(isPalindrome(new int[] { 1, 2, 3, 4, 5 }));
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System.out.println(isPalindrome(new int[] { 1, 2, 5, 3 }));
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System.out.println(isPalindrome(new int[] { 10, 20, 30, 10 }));
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}
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public static boolean isPalindrome(int[] array) {
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return isPalindrome(array, 0, array.length - 1);
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}
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private static boolean isPalindrome(int[] array, int lower, int upper) {
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if (upper - lower < 1) {
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return true;
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} else if (array[lower] != array[upper]) {
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return false;
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} else {
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return isPalindrome(array, lower+1,upper-1);
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}
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}
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}
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