Answer
async marks a method as asynchronous.
await pauses execution until the awaited task completes without blocking the thread.
Quick Answer
They let you write async code that looks like sync code. Mark a method async, then await any long-running operation like a DB query or HTTP call. The calling thread is freed while waiting — it can handle other requests. Without async/await, you block the thread and kill scalability.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ