s1monw1

import org.gradle.kotlin.dsl.extra
import org.jetbrains.kotlin.gradle.dsl.Coroutines
import org.jetbrains.kotlin.gradle.plugin.KotlinPluginWrapper
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile

val kotlinVersion = plugins.getPlugin(KotlinPluginWrapper::class.java).kotlinPluginVersion

val kotlinCoroutinesVersion = "0.19.3"
val vertxVersion = "3.5.0"
val nexusRepo = "http://x.x.x.x:8080/nexus/content/repositories/releases"

s1monw1

class LazyContextAware<out T>(private val initializer: (Any?) -> T) : ReadOnlyProperty<Any?, T> {
    private object UNINITIALIZED_VALUE

    private var prop: Any? = UNINITIALIZED_VALUE

    @Suppress("UNCHECKED_CAST")
    override fun getValue(thisRef: Any?, property: KProperty<*>): T {
        return if (prop == UNINITIALIZED_VALUE) {
            synchronized(this) {
                return if (prop == UNINITIALIZED_VALUE) {

s1monw1

import com.github.jengelman.gradle.plugins.shadow.ShadowApplicationPlugin
import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
import com.jfrog.bintray.gradle.BintrayPlugin
import org.jetbrains.kotlin.gradle.dsl.Coroutines
import org.gradle.api.publish.maven.MavenPom
import org.jetbrains.kotlin.gradle.plugin.KotlinPluginWrapper
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
import com.jfrog.bintray.gradle.BintrayExtension

val kotlinVersion = plugins.getPlugin(KotlinPluginWrapper::class.java).kotlinPluginVersion

s1monw1

fun main(args: Array<String>) {
    println("Hello Kotlin World")
}

s1monw1

data class PageableDTO(val offset: Int, val limit: Int, val sortBy: String? = null, val ascending: Boolean? = null)

fun PageableDTO.injectDefaults() =
        copy(sortBy = if (sortBy?.isNotEmpty() == true) sortBy else "created_ts", ascending = ascending ?: true)


fun main(args: Array<String>) {
    val pageableDTO = PageableDTO(1, 2)
    val withDefaults = pageableDTO.injectDefaults()
}

s1monw1

fun trueOrFalse() = Random().nextBoolean()

s1monw1

public class SingleExpFun {
    private BooleanSupplier trueOrFalse = new Random()::nextBoolean;
    private boolean getNext(){
        return trueOrFalse.getAsBoolean();
    }
}

s1monw1

public class Overloader {
    public void test(int a, boolean printToConsole) {
        if (printToConsole) {
            System.out.println("int a: " + a);
        }
    }
    public void testWithoutPrint(int a) {
        test(a, false);
    }
    public void test(int a) {

s1monw1

fun test(a: Int, printToConsole: Boolean = true) {
    if (printToConsole) println("int a: " + a)
}
fun testWithoutPrint(a: Int) = test(a, false)
fun main(args: Array) {
    testWithoutPrint(2)
    test(2)
}

s1monw1

class Turtle {
    fun penDown()
    fun penUp()
    fun turn(degrees: Double)
    fun forward(pixels: Double)
}

with(Turtle()) {
    penDown()
    for(i in 1..4) {