Collection and Stream API – Java Code Typing Test

Shows modern Java features including streams, lambda expressions, and collection operations.

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

public class StreamExample {
	public static void main(String[] args) {
		List<String> names = Arrays.asList(
		"Alice", "Bob", "Charlie", "David", "Eve"
		);

		List<String> filteredNames = names.stream()
		.filter(name -> name.length() > 3)
		.map(String::toUpperCase)
		.sorted()
		.collect(Collectors.toList());

		System.out.println("Filtered names: " + filteredNames);

		Optional<String> longest = names.stream()
		.max(Comparator.comparing(String::length));

		longest.ifPresent(name ->
		System.out.println("Longest name: " + name)
		);
	}
}