CompletableFuture

Java CompletableFuture Tutorial with Examples

• What’s a CompletableFuture?
• Future vs CompletableFuture
• Limitations of Future
• Creating a CompletableFuture
• Running asynchronous computation using runAsync()
• Run a task asynchronously and return the result using supplyAsync()
• ForkJoinPool.commonPool()
• Transforming and acting on a CompletableFuture
  • thenApply()
  • thenAccept() and thenRun()
• async callback methods
• Combining two CompletableFutures together
  • Combine two dependent futures using thenCompose()
  • Combine two independent futures using thenCombine()
• Combining multiple CompletableFutures together
  • CompletableFuture.allOf()
  • CompletableFuture.anyOf()
• CompletableFuture Exception Handling
• Handle exceptions using exceptionally() callback
• Handle exceptions using the generic handle() method

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