1 files changed, 26 insertions, 0 deletions
diff --git a/integration/kotlinx-coroutines-jdk8/test/examples/simple-example-3.kt b/integration/kotlinx-coroutines-jdk8/test/examples/simple-example-3.kt
new file mode 100644
index 00000000..e284ac16
--- /dev/null
+++ b/integration/kotlinx-coroutines-jdk8/test/examples/simple-example-3.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.coroutines.examples
+
+import kotlinx.coroutines.*
+import kotlinx.coroutines.future.*
+import java.util.concurrent.*
+
+fun main(args: Array<String>) {
+    // this example shows how easy it is to perform multiple async operations with coroutines
+    val future = GlobalScope.future {
+        (1..5).map { // loops are no problem at all
+            startLongAsyncOperation(it).await() // suspend while the long method is running
+        }.joinToString("\n")
+    }
+    println("We have a long-running computation in background, let's wait for its result...")
+    println(future.get())
+}
+
+fun startLongAsyncOperation(num: Int): CompletableFuture<String> =
+    CompletableFuture.supplyAsync {
+        Thread.sleep(1000L) // imitate some long-running computation, actually
+        "$num" // and return a number converted to string
+}