Using Collections and Arrays
In this exercise, you will see how the Collections Framework supporting classes of Collections and Arrays can help you manipulate and work with data more easily.
Bu egzersiz
Data Types and Exceptions in Java
kursunun bir parçasıdırEgzersiz talimatları
- Add
"Lima","Bogota","Santiago"to thecapitalsArrayList. - Convert the array in the
euCapitalsvariable to aList. - Sort
capitalsalphabetically. - Reverse the order of
capitals
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
public class AllTheCities {
public static void main(String[] args) {
String[] euCapitals = {"Paris", "London", "Prague"};
ArrayList capitals = new ArrayList();
// Add cities to capitals all at once
Collections.____(____, "Lima", "Bogota", "Santiago");
// Convert euCapitals to List
____<____> euCapitalsList = Arrays.____(euCapitals);
// Sort capitals
____.____(capitals);
// Reverse capitals
Collections.____(____);
System.out.println(capitals);
System.out.println(euCapitalsList);
System.out.println(euCapitals);
}
}