Kotlin future example

future-example.kt

import kotlinx.coroutines.experimental.guava.future
import kotlin.system.measureTimeMillis


fun main(arr: Array<String>): Unit {
    var metadata = "vavlue"
    val t = measureTimeMillis {
        val f = future {
            val v = 1
            Thread.sleep(1500)
            println(Thread.currentThread().name)
            metadata = "Changed value"
            v
        }
        val f1 = future {
            val v = 2
            Thread.sleep(1000)
            println(Thread.currentThread().name)
            metadata = "Changed value2"
            v
        }
        val i = f.get() + f1.get()
        println("I1=$i")
    }
    println("T=$t METADATA=$metadata")
}

gistfile1.txt

plugins {
    id 'java'
    id 'org.jetbrains.kotlin.jvm' version '1.2.50'
}

group 'com.nextagilesoft'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
    jcenter()
}

dependencies {
    compile group: 'com.github.kittinunf.fuel', name: 'fuel', version: '1.13.0'
    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
    compile group: 'org.jetbrains.kotlinx', name: 'kotlinx-coroutines-core', version: '0.23.3'
    compile group: 'org.jetbrains.kotlinx', name: 'kotlinx-coroutines-guava', version: '0.23.3'
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

compileKotlin {
    kotlinOptions.jvmTarget = "1.8"
}
compileTestKotlin {
    kotlinOptions.jvmTarget = "1.8"
}