class Tmp | |
{ | |
interface Callable<V> { | |
V call() throws Exception; | |
} | |
public static void main(String[] args) | |
{ | |
submit(()->""); | |
submit(()->{}); | |
submit(Tmp::m1); | |
submit(Tmp::m2); | |
submit(()->m1()); | |
submit(()->m2()); | |
} | |
static void submit(Callable<String> task) | |
{ | |
System.out.println("Callable"); | |
} | |
static void submit(Runnable task) | |
{ | |
System.out.println("Runnable"); | |
} | |
static String m1(){ return ""; } | |
static void m2(){ } | |
} |