use newScheduledThreadPool()

Author: hangga

core-kotlin-modules/core-kotlin-concurrency-3/src/main/java/com/baeldung/schedulingrepeatingtask/UsingScheduledThreadPool.kt

@@ -4,7 +4,7 @@ import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
 
 fun main(){
-    val scheduler = Executors.newSingleThreadScheduledExecutor()
+    val scheduler = Executors.newScheduledThreadPool(1)
     scheduler.scheduleAtFixedRate({
         println("Complex task completed!")
     }, 0, 1, TimeUnit.SECONDS)