An example to show runAsync method of completablefuture.

RunAsyncExample.java

import java.util.concurrent.CompletableFuture;

class Test {
    public static void main(String[] args) {
        CompletableFuture completableFuture = CompletableFuture.runAsync(() -> {
            System.out.println(Thread.currentThread().getName() + " Runnable Call to be executed by another thread");
        });
        System.out.println(Thread.currentThread().getName() + " Main Thread");
    }
}