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31 lines (26 loc) · 938 Bytes
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Copy pathtreeSet1.java
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31 lines (26 loc) · 938 Bytes
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import java.util.*;
public class treeSet1 {
public static void main(String[] args) {
TreeSet<Integer> set = new TreeSet<Integer>();
set.add(10);
set.add(20);
set.add(4);
set.add(30);
set.add(40);
Iterator itr = set.iterator();
while(itr.hasNext()) {
System.out.println(itr.next());
}
System.out.println();
Iterator des = set.descendingIterator();
while (des.hasNext()) {
System.out.println(des.next());
}
System.out.println("Lowest value : " + set.first());
System.out.println("Highest value : " + set.last());
System.out.println("toString : " + set);
System.out.println("headSet : " + set.headSet(20, true));
System.out.println("tailSet : " + set.tailSet(20, false));
System.out.println("subSet : " + set.subSet(9, true, 30, true));
}
}