Displaying city names
Managing sets of locations is a common task in applications like travel planning, navigation systems, or user-generated location sets. In this exercise, you will practice using an enhanced for-loop to display a set of cities. This approach ensures you can easily retrieve and process city names from a collection.
Este exercício faz parte do curso
Input/Output and Streams in Java
Instruções do exercício
- Use enhanced for-loopto travel through the created setcities.
- Print each city inside the loop.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
import java.util.HashSet;
public class CityDisplay {
    public static void main(String[] args) {
        HashSet cities = new HashSet<>();
        cities.add("New York");
        cities.add("Los Angeles");
        cities.add("Chicago");
        // Use enhanced for-loop
        for (____ city: ____) {
         	// Print each city name inside the set
            System.out.println(____);
        }
    }
}