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import java.util.*;
class Output
{
public static void main(String args[])
{
TreeSet t = new TreeSet();
t.add("3");
t.add("9");
t.add("1");
t.add("4");
t.add("8");
System.out.println(t);
}
}
a) [1, 3, 5, 8, 9]
b) [3, 4, 1, 8, 9]
c) [9, 8, 4, 3, 1]
d) [1, 3, 4, 8, 9]
d
Explanation:TreeSet class uses set to store the values added by function add in ascending order using tree for storage
Output:
$ javac Output.java
$ java Output
[1, 3, 4, 8, 9].