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16 lines
338 B
Java
16 lines
338 B
Java
public class Solution {
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public static boolean validatePin(String pin) {
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int length = pin.length();
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if (length != 4 && length != 6) {
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return false;
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} else {
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for (int i = 0; i < length; i++) {
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if (!Character.isDigit(pin.charAt(i))) {
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return false;
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}
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}
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}
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return true;
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}
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}
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