27 lines
740 B
Java
27 lines
740 B
Java
import java.util.List;
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import java.util.stream.*;
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public class LexicographicalNumbers {
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static List<Integer> lexOrder(int n) {
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int first = 1, last = n;
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if (n < 1) {
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first = n;
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last = 1;
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}
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return IntStream.rangeClosed(first, last)
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.mapToObj(Integer::toString)
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.sorted()
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.map(Integer::valueOf)
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.collect(Collectors.toList());
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}
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public static void main(String[] args) {
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System.out.println("In lexicographical order:\n");
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int[] ints = {0, 5, 13, 21, -22};
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for (int n : ints) {
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System.out.printf("%3d: %s\n", n, lexOrder(n));
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}
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}
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}
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