DSA-lab1(b)-arraylistwithTIMECOMPLEXITY

import java.util.ArrayList;
import java.util.Scanner;

public class VehicleinfoArrayList {
    public static void main(String[] args) {
        ArrayList<String> names = new ArrayList<>();
        ArrayList<Integer> wheels = new ArrayList<>();
        ArrayList<Integer> enginecc = new ArrayList<>();
       
        names.add("Bike");
        wheels.add(2);
        enginecc.add(150);

        names.add("Car");
        wheels.add(4);
        enginecc.add(1500);

        names.add("Truck");
        wheels.add(6);
        enginecc.add(5000);

        names.add("Scooter");
        wheels.add(2);
        enginecc.add(125);

        names.add("Bus");
        wheels.add(8);
        enginecc.add(7000);

        Scanner scanner = new Scanner(System.in);

        System.out.println("Available vehicles:");
        for (String name : names) {
            System.out.println("- " + name);
        }
        System.out.print("Enter the name of the vehicle to get details: ");
        String inputName = scanner.nextLine().trim();
                long startTime = System.nanoTime();
        boolean found = false;
        for (int i = 0; i < names.size(); i++) {
            if (names.get(i).equalsIgnoreCase(inputName)) {
                System.out.println("Vehicle Details:");
                System.out.println("Name: " + names.get(i));
                System.out.println("Number of wheels: " + wheels.get(i));
                System.out.println("Engine CC: " + enginecc.get(i));
                found = true;
                break;
            }
        }
        long endTime = System.nanoTime();
        long duration = endTime - startTime; 
        if (!found) {
            System.out.println("Vehicle not found.");
        }
        System.out.println("Time taken to search and display: " + duration + " nanoseconds");
        scanner.close();
    }
}