Working with Queue
Queues collect and return objects in the order they were added. Queues also have a capacity. Here, you create a waiting listQueue(specifically from anArrayBlockingQueue`) and add names to it. You see what happens when trying to add more names than the capacity allows.
Este exercicio faz parte do curso
Data Types and Exceptions in Java
Instruções do exercicio
- Import
ArrayBlockingQueuefor use in the application. - Construct a new
ArrayBlockingQueueofStrings with a capacity of 3 and set thewaitListvariable to it. - Add a new name,
"Tarah", towaitList. - Remove the first name on the
waitList.
exercicio interativo prático
Tente este exercicio completando este código de exemplo.
// Import ArrayBlockingQueue
import java.util.____.____;
public class GetInLine {
public static void main(String[] args) {
// Create an ArrayBlockingQueue of up to 3 names using parameterized constructor
____<____> waitList = new ____<____>(____);
waitList.offer("Sally");
waitList.offer("Benny");
// Add the name "Tarah"
waitList.____(____);
System.out.println(waitList);
waitList.offer("Letty");
System.out.println(waitList);
// Remove the first name
String first = waitList.____();
System.out.println(first);
waitList.offer("Letty");
System.out.println(waitList);
}
}