Golang perguntas e respostas de entrevista
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Pergunta 6. How does Go handle garbage collection?
Go uses a concurrent garbage collector that runs in the background, reclaiming memory that is no longer in use without stopping the execution of the program.
Pergunta 7. What is the difference between slices and arrays in Go?
Arrays have a fixed size, while slices are dynamically sized and more flexible. Slices are built on top of arrays and provide more functionality.
Pergunta 8. Explain the purpose of the 'select' statement in Go.
The 'select' statement is used to wait on multiple communication operations, allowing a goroutine to proceed with the first communication that is ready.
Pergunta 9. How does Go support concurrent programming?
Go supports concurrent programming through goroutines, channels, and the 'go' keyword. Goroutines are lightweight threads that run concurrently, and channels facilitate communication between them.
Pergunta 10. What is the purpose of the 'defer' keyword in Go?
The 'defer' keyword is used to schedule a function call to be run after the surrounding function completes. It is often used for tasks like cleanup operations.
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