Question

How to convert Set of Integers to Set of Strings in Java

Answer 1

import java.util.*; 
import java.util.stream.*; 

public class MyClass {
    public static void main(String args[]) {
        Set<Integer> seti = new HashSet<>(Arrays.asList(1, 2, 3, 4, 5, 6)); 
  
        Set<String> sets = seti.stream().map(String::valueOf) 
                                        .collect(Collectors.toSet()); 
  
        System.out.println(sets); 
    }
}


/*
run:

[1, 2, 3, 4, 5, 6]

*/

 

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