radityagumay

```groovy
afterEvaluate {
  // All proguard tasks shall depend on our filter task
  def proguardTasks = tasks.findAll { task ->
    task.name.startsWith('transformClassesAndResourcesWithProguardFor') }
  proguardTasks.each { task -> task.dependsOn filterConsumerRules }
}

// Let define our custom task that filters some unwanted
// consumer proguard rules

radityagumay

internal object DataStoreFactory {

    private val mapToDataStore = ConcurrentHashMap<String, DataStore<Preferences>>()

    fun create(
        name: String,
        context: Context
    ): DataStore<Preferences> {
        if (mapToDataStore.containsKey(name).not()) {
            mapToDataStore[name] = context.getDataStore(

radityagumay

/**
* Implementation Detail
*/ 
interface FooPresenterContract {
    interface Presenter {
        fun doWork()
    }
    
    interface View {
        fun inflated(message: String)

radityagumay

class FooPresenterTest {
    
    private val view = mock<FooPresenterContract.View>()
    private val presenter: FooPresenterContract.Presenter = FooPresenter(view)
    
    @Test
    fun testDoWork() {
        presenter.doWork()
        
        verify(view).inflated("it was success!")

radityagumay

protocol Dao {
    func insert(key: String, value: Any) -> Bool
    func find(key: String) -> Any?
}

protocol StoreAdapterFactory {
    func create() -> Dao
}

class StoreMemoryAdapter : Dao {

radityagumay

class Contact {
    private(set) lazy var name: String
    private(set) lazy var phoneNumber: String
    private(set) lazy var address: String
    private(set) lazy var gender: String
    
    private init(
        name: String,
        phoneNumber: String,
        address: String,

radityagumay

fun main() {
   val les = Executors.newFixedThreadPool(5)
    for (i in 0..9) {
        val worker: Runnable = WorkerThread("" + i)
        les.execute(worker)
    }
    les.shutdown()
    while (!les.isTerminated) { }
    println("Finished all threads")
}

radityagumay

{
  "success": {
    "total": 1
  },
  "contents": {
    "quotes": [
      {
        "quote": "I came from a real tough neighborhood. Once a guy pulled a knife on me. I knew he wasn't a professional, the knife had butter on it.",
        "length": "132",
        "author": "Rodney Dangerfield",

radityagumay

override fun doSomeWork() {
        val d = Observable.create(ObservableOnSubscribe<String> { e ->
            for (i in 0 until 10) {
                val number = Math.pow(Random().nextInt(100).toDouble(), Random().nextInt(100).toDouble())
                e.onNext(number.toString())
            }
            e.onComplete()
        }).compose(loading { isShow ->
            if (isShow) {
                view.showLoading()

radityagumay

interface Universal<in T> {
    fun addAll(items: Collection<T>)

    fun add(item: T)

    fun update(item: T)

    fun updateRange(vararg items: T)

    fun remove(item: T, position: Int)