Question

How to convert stream to a set in Java

Answer 1

import java.util.Set;
import java.util.stream.Stream; 
import java.util.stream.Collectors;
 
public class MyClass 
{
    public static void main(String[] args) {
 
        Stream<Integer> stream = Stream.of(1, 2, 3, 4, 5, 6);
        
        Set<Integer> set = stream.collect(Collectors.toSet());
        
        System.out.println(set);
    }
}




 
/*
run:
 
[1, 2, 3, 4, 5, 6]
 
*/
 

 

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Answer 2

import java.util.Set;
import java.util.HashSet;
import java.util.stream.Stream; 

public class MyClass 
{
    public static void main(String[] args) {
 
        Stream<Integer> stream = Stream.of(1, 2, 3, 4, 5, 6);
        
        Set<Integer> set = new HashSet<>();
        
        stream.forEach(set::add);
        
        System.out.println(set);
    }
}




 
/*
run:
 
[1, 2, 3, 4, 5, 6]
 
*/
 

 

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