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Golang Questions Set 5:

Quiz Mode

Which keyword is used to recover from a panic in Go?

panic

defer

recover

continue

Solution:

Which keyword is used to create a new instance of a struct in Go?

struct

create

new

make

Solution:

Which Go package provides functions for handling errors that are returned by functions in a uniform way?

fmt

errors

log

Solution:

What is the output of the following code:
func change(x int) {
x = 5
}
func main() {
y := 10
change(&y)
fmt.Println(y)
}

Compile-time error

Solution:

What is the output of the following code: fmt.Println(1 == 1.0)

true

false

invalid operation: mismatched types int and float64

invalid operation: == between int and float64

Solution:

What happens when you dereference a nil pointer in Go?

The program crashes

A runtime error is thrown

A compile-time error is thrown

Nothing happens, the code executes as expected

Solution:

Which of the following is NOT a valid way to define an interface method in Go?

func (i *MyInterface) Method()

func Method(i MyInterface)

func (i MyInterface) Method()

func (i MyInterface) Method() string

Solution:

What is an empty interface in Go?

An interface with no methods

An interface that can be used to accept any type as an argument

An interface that can be used to instantiate new types

An interface that defines a single method

Solution:

Which of the following statements is true about the panic function in Go?

It is a built-in function that stops the execution of a program.

It returns an error value.

It is used to recover from panics.

It is used to handle errors in Go.

Solution:

What is the purpose of a defer statement in Go?

to delay the execution of a function until the end of the program

to delay the execution of a function until the end of the current function

to exit a function and return a value

to end a loop

Solution:

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Golang Questions Set 5:

Which keyword is used to recover from a panic in Go?

Solution:

Which keyword is used to create a new instance of a struct in Go?

Solution:

Which Go package provides functions for handling errors that are returned by functions in a uniform way?

Solution:

What is the output of the following code:func change(x *int) {*x = 5}func main() {y := 10change(&y)fmt.Println(y)}

Solution:

What is the output of the following code: fmt.Println(1 == 1.0)

Solution:

What happens when you dereference a nil pointer in Go?

Solution:

Which of the following is NOT a valid way to define an interface method in Go?

Solution:

What is an empty interface in Go?

Solution:

Which of the following statements is true about the panic function in Go?

Solution:

What is the purpose of a defer statement in Go?

Solution:

Related Question Sets:

Related Topics:

What is the output of the following code:
func change(x int) {
x = 5
}
func main() {
y := 10
change(&y)
fmt.Println(y)
}