class SearchFragment : Fragment() {

    private lateinit var searchText: EditText?
    private lateinit var searchResultView: TextView?
    private lateinit var searchButton: Button?

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View = inflater.inflate(R.layout.fragment_search, container, false)

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) = runBlocking {
        searchText = view.findViewById(R.id.search_text)
        searchResultView = view.findViewById(R.id.search_result)
        searchButton = view.findViewById(R.id.search_button)
        searchButton.setOnClickListener {
            searchButton?.enabled = false
            val searchString = searchText.text.toString()
            launch {
                post(searchString)
            }
        }
    }

    suspend fun post(searchString: String) {
        try {
            val searchResult = executeSearchRequest(searchString)
        } catch(e: NetworkException) {
            // todo
        }
        runOnUiThread {
            searchResultView?.text = searchResult
            searchButton?.enabled = true
        }
    }

    override fun onSaveInstanceState(bundle: Bundle) {
        bundle.putExtra("searchResultViewText", searchResultView?.text)
        //todo
    }

    override fun onRestoreInstanceState() {
        //todo
    }

    override fun onDestroyView() {
        searchButton.setOnClickListener(null)
        searchText = null
        searchResultView = null
        searchButton = null
    }

    private fun executeSearchRequest(searchString: String): String {
        // Долгая операция, возможно поход в сеть
    }
}


////////////////////////////////////////

public class VV extends View {

    Paint p = new Paint();
    Rect firstSquare;
    Rect secondSquare;
    Rect thirdSquare;

    public VV(Context context) {
        super(context);
        p.setColor(Color.BLUE);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        firstSquare = new Rect(0, 0, getSize(widthMeasureSpec), getSize(heightMeasureSpec));
        secondSquare = new Rect(100, 100, getSize(widthMeasureSpec) - 100, getSize(heightMeasureSpec) - 100);
        thirdSquare = new Rect(200, 200, getSize(widthMeasureSpec) - 200, getSize(heightMeasureSpec) - 200);
    }

    private int getSize(int measureSpec) {
        //todo
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        canvas.drawRect(firstSquare, p);
        canvas.drawRect(secondSquare, p);
        canvas.drawRect(thirdSquare, p);
    }
}

///////////////////////////////////////

class Counter(var count: Long) {
    fun increment() {
        count++
    }

    fun decrement() {
        count--
    }
}

val counter = Counter(0)

val runnable1 = Runnable {
    for (i in 0..999) {
        counter.increment()
    }
}

val runnable2 = Runnable {
    for (i in 0..999) {
        counter.decrement()
    }
}

val executor = Executors.newCachedThreadPool()
executor.execute(runnable1)
executor.execute(runnable2)

// Каким будет значение counter.count?



////////////////////////////////////////

class Task(val id: Long, val name: String)

val task1 = Task(1, "Задача")
val task2 = Task(1, "Задача")
val tasks = HashSet<Task>()

tasks.add(task1)
tasks.add(task2)

// Каким будет содержимое tasks? Объясните причины


////////////////////////////////////////

public class A {
    private final int x;

    public A(int x) {
        this.x = x;
    }

    public void doIt(A a) {
        System.out.println(a.x);
    }
}

public class Runner {
    public static void main(String[] args) {
        A a = new A(1);
        A b = new A(2);
        b.doIt(a);
    }
}

1. Скомпилируется ли такой код;
2. Будет ли работать
3. Что выведется на экран