1282 Views
Sorting is a way to arrange elements (objects) of a list or array in a certain order. The order may be in ascending or descending order. Another useful class in java.util package.
the java.util package is the Collections class, which include the sort() method for sorting lists alphabetically ...
Anamika Gupta
Dec 15, 2021
1224 Views
The size() method to define that how many times the loop should run. The looping through the principle of an ArrayList with a for loop
public class Main {
public static void main(String[] args) {
ArrayList<String> mobiles = new ArrayList<String>();
mobiles.add("Samsung");
...
Anamika Gupta
Dec 15, 2021
1263 Views
To delete an element, use the remove() method and refer to the index number:
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList<String> mobiles = new ArrayList<String>();
mobiles.add("Samsung");
mobiles.add("Apple");
...
Anamika Gupta
Dec 14, 2021
1194 Views
By using the get() method we can access an element in the ArrayList, which is assigned to the index number:
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList<String> mobiles = new ArrayList<String>();
mobiles.add("Samsung");
...
Anamika Gupta
Dec 14, 2021
1129 Views
In java.util package the ArrayList class is found which is used to resize Array.
The main difference between an ArrayList and a built-in array in Java is that the syntax is also slightly different and the size of the array cannot be modified. Whenever you want to you can add and remove elements from ...
Anamika Gupta
Dec 14, 2021