Java CompletableFuture Quiz

What is the purpose of callbacks and listeners in CompletableFuture?

• To obtain the value of the CompletableFuture

• To transform the result of the CompletableFuture

• To handle exceptions in the CompletableFuture

• To combine multiple CompletableFutures

Which method is used to transform the result of a CompletableFuture?

• whenComplete

• thenApply

• thenAccept

• thenRun

How can exceptions be handled in CompletableFuture?

• Using the exceptionally method

• Using the handle method

• Using the whenComplete method

• All of the above

What does the thenCompose method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures

What does the thenCombine method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures

What does the thenAcceptBoth method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures

What does the acceptEither method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures

What does the applyToEither method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures

What does the allOf method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures

What does the anyOf method do?

• Transforms the result of the CompletableFuture

• Combines multiple CompletableFutures

• Executes a callback when the CompletableFuture completes

• Creates a chain of CompletableFutures