Question

How to convert stream to a map in Java

Answer 1

import java.util.Map;
import java.util.stream.Stream;
import java.util.stream.Collectors;

public class MyClass 
{
    public static void main(String args[])
    {

        Stream<String[]> stream = Stream.of(new String[][] {
                            {"A", "C++"},
                            {"B", "C"},
                            {"C", "Java"}});
 
        Map<String, String> mp = stream.collect(Collectors.toMap(e -> e[0], e -> e[1]));
 
        System.out.println(mp);
    }
}




/*
run:

{A=C++, B=C, C=Java}

*/

 

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