SiAust

import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        HashTable<String> hashTable = new HashTable<>(5); // initial size

        Scanner sc = new Scanner(System.in);

SiAust

Scanner sc = new Scanner(System.in);
        List<Integer> numbers = Arrays.stream(sc.nextLine().split(" "))
                .mapToInt(Integer::parseInt).boxed().collect(Collectors.toList());
        int index = sc.nextInt();

        if (index < 0) {
            System.out.println(numbers.get(numbers.size() + index));
        } else {
            System.out.println(numbers.get(index));
        }

SiAust

class Scratch {
    public static void main(String[] args) {
        Worker programmer = new Programmer();
        Worker carpenter = new Carpenter();

        programmer.goToWork();
        carpenter.goToWork();
    }
}

SiAust

public enum DayOfWeek {
    MONDAY(1,true),
    TUESDAY(2,true),
    WEDNESDAY(3,false),
    THURSDAY(4,false),
    FRIDAY(5,true),
    SATURDAY(6,false),
    SUNDAY(7,true);
    
    private final boolean sunny;

SiAust

class TestDrive {
    public static void main(String[] args) throws InterruptedException {
        Phone phone;

        PhoneFactory iphoneFactory = new IphoneFactory();
        PhoneFactory samsungFactory = new SamsungFactory();

        System.out.println("-Hello, I need Android phone");
        System.out.println("-Okay! Please wait for a sec, - Calling to the SamsungFactory. -Bring me the Samsung Galaxy S10");
        Thread.sleep(1500);

SiAust

import javax.imageio.IIOException;
import javax.swing.*;
import java.io.*;

public class HyperSkill {

    public static void main(String[] args) {
        Person simon = new Person("simon", 21, new Address("stillwater", "uk"));
        String fileName = "C:\\users\\si_au\\desktop\\simon.data";
        try {

SiAust

class HashingFun {

    public static void main(String[] args) throws NoSuchAlgorithmException {
        MessageDigest hasher = MessageDigest.getInstance("SHA-256");
        long count = 0;
        Random random = new Random();

        byte[] data = new byte[258 / 8];

        while (true) {

SiAust

import java.util.function.*;

class FunctionUtils {
    
    public static Supplier<Integer> getInfiniteRange() {
         int[] n = {0};

        return new Supplier<Integer>() {
            @Override
            public Integer get() {

SiAust

import java.security.MessageDigest;
import java.util.Base64;
import java.util.Scanner;
import java.util.function.Function;

class ChainOfResponsibilityDemo {

    /**
     * Accepts a request and returns new request with data wrapped in the tag <transaction>...</transaction>
     */

SiAust

import java.util.*;
import java.util.stream.LongStream;

class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String name = scanner.nextLine();
        Optional<String> optAddress = AddressBook.getAddressByName(name);