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, kursun bir parçasıdır
Data Types and Exceptions in Java
Egzersiz talimatları
- Add
"Lima","Bogota","Santiago"to thecapitalsArrayList. - Convert the array in the
euCapitalsvariable to aList. - Sort
capitalsalphabetically. - Reverse the order of
capitals
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
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);
}
}