?? zipper.java
字號:
import java.util.regex.*;
public class Zipper {
public static void main(String[] arguments) {
if (arguments.length < 1) {
System.out.println("Usage: java Zipper code");
System.exit(0);
}
String input = arguments[0];
String zip5 = "[0-9][0-9][0-9][0-9][0-9]";
String zip9 = "[0-9][0-9][0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]";
if ((Pattern.matches(zip5, input)) | (Pattern.matches(zip9, input))) {
System.out.println(input + " is a valid ZIPcode");
} else {
System.out.println(input + " is not a valid ZIPcode");
}
}
}
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