Question

How to convert TreeSet to array in Java

Answer 1

import java.util.TreeSet; 
import java.util.Arrays;  
 
public class MyClass {
    public static void main(String args[]) {
        TreeSet<String> ts = new TreeSet<String>(); 
   
        ts.add("java"); 
        ts.add("php"); 
        ts.add("c"); 
        ts.add("c++"); 
        ts.add("java"); 
        
        String[] array = ts.toArray(new String[ts.size()]);

        System.out.println(Arrays.toString(array));
    }
}
 
 
 
 
/*
run:
 
[c, c++, java, php]
 
*/

 

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