Question

How to convert HashSet to Array in Java

Answer 1

import java.util.Set;
import java.util.Arrays;
import java.util.HashSet;

public class MyClass {
    public static void main(String args[]) {
        Set<String> hset = new HashSet<>();
        
        hset.add("java");
        hset.add("c");
        hset.add("c++");
        hset.add("c#");
        hset.add("python");
        
        String[] array = new String[hset.size()];
        hset.toArray(array);

        System.out.println(Arrays.toString(array));
    }
}



 
/*
run:
    
[c#, c++, python, java, c]
  
*/

 

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