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import java.util.*; public class SetDemo { public static void main(String args[]) { int count[] = {34, 22,10,60,30,22}; Set
set = new HashSet
(); try { for(int i = 0; i < 5; i++) { set.add(count[i]); } System.out.println(set); TreeSet sortedSet = new TreeSet
(set); System.out.println("The sorted list is:"); System.out.println(sortedSet); System.out.println("The First element of the set is: "+ (Integer)sortedSet.first()); System.out.println("The last element of the set is: "+ (Integer)sortedSet.last()); } catch(Exception e) {} } }
运行结果 :
正在执行...