Randomly select 3 chaps

Random3.java

import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;
import java.util.stream.Stream;

public class Random3 {
	
	public static void main(String[] args) {
		
		Scanner scan = new Scanner(System.in); // input
		List<String> list = Stream.of(scan.nextLine().split(",")) // stream
				.map(String::trim) // trim
				.collect(Collectors.toList()); // collect to list

		Collections.shuffle(list); // shuffle
		System.out.println(list.stream().limit(3).collect(Collectors.toList())); // print first 3
		scan.close(); // close, get rid of warning
		
	}
}