27 lines
400 B
Java
27 lines
400 B
Java
import java.util.TreeSet;
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public class BaumSet {
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public static void main(String[] args) {
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int n = 17;
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TreeSet<Integer> baumSet = new TreeSet<>();
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for (int i = 0; i < n; i++) {
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baumSet.add(i * 2);
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}
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for (Integer baum : baumSet) {
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System.out.println(baum);
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}
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int c = baumSet.higher(n);
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System.out.println(c);
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int d = baumSet.pollFirst();
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System.out.println(d);
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}
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}
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