List
ArrayList
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Main
{
public static void main(String[] args)
{
// LinkedList Example
List<String> arr = new ArrayList<>();
// example of using methods in ArrayList
arr.add("D");
arr.add("E");
arr.add("F");
arr.add("G");
arr.add("H");
arr.add("I");
arr.add("J");
arr.add("A");
arr.add("B");
arr.add("C");
System.out.println("ArrayList: " + arr);
System.out.println("Size of ArrayList: " + arr.size());
System.out.println("Element at index 5: " + arr.get(5));
System.out.println("Index of element 'D': " + arr.indexOf("D"));
System.out.println("Is ArrayList empty? " + arr.isEmpty());
System.out.println("Does ArrayList contain 'E'? " + arr.contains("E"));
System.out.println("Remove element 'E': " + arr.remove("E"));
System.out.println("ArrayList after removing 'E': " + arr);
System.out.println("Size of ArrayList after removing 'E': " + arr.size());
System.out.println("Is ArrayList empty? " + arr.isEmpty());
System.out.println("Does ArrayList contain 'E'? " + arr.contains("E"));
System.out.println("Clear ArrayList");
System.out.println("ArrayList before sorting: " + arr);
Collections.sort(arr); //sorts arraylist
System.out.println("ArrayList after sorting: " + arr);
}
}
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