Method Reference Example

Example.java

import java.util.*;
import java.util.function.*;
 
class Example {
    public static void main(String[] args) {
        List<String> names = Arrays.asList("Leonardo", "John", "Maria");
        
        names.sort(Comparator.comparing(Function.identity()));
        
        Consumer<String> consumer = System.out::println;
        
        names.forEach(consumer);
    }
}