📅  最后修改于: 2022-03-11 15:00:42.604000             🧑  作者: Mango
CompletableFuture completableFuture
= CompletableFuture.supplyAsync(() -> "Hello")
.thenCompose(s -> CompletableFuture.supplyAsync(() -> s + " World"));
assertEquals("Hello World", completableFuture.get());