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Golang Questions Set 19:

Quiz Mode

How does Go handle errors?

By throwing exceptions.

By returning an error value as a separate return value.

By using try-catch blocks.

By ignoring them.

Solution:

Which of the following is not a benefit of using interfaces in Go?

Greater code flexibility

Easier testing and mocking

Code reusability

Improved performance

Solution:

What is a struct in Go?

A keyword used to declare a variable.

A type that represents a collection of values.

A function that returns a struct.

A function that takes a struct as an argument.

Solution:

What is a goroutine in Go?

A type that represents a collection of values.

A lightweight thread of execution.

A function that takes a goroutine as an argument.

A function that returns a goroutine.

Solution:

What is the output of the following code?
package main
import "fmt"

func main() {
   var s1, s2 []int
   s1 = append(s1, 1, 2, 3)
   s2 = s1[:2]
   s2[0] = 4
   fmt.Println(s1, s2)
}

[1 2 3] [4 2]

[1 2 3] [4 3]

[4 2 3] [4 2]

[4 2 3] [1 2]

Solution:

How are methods defined in Go?

As standalone functions that take a struct as an argument.

As functions that return a struct.

As functions that take a struct as an argument and are defined inside the struct definition.

As functions that take no arguments and return no values.

Solution:

What is a variadic function in Go?

A function that takes a variable number of arguments.

A function that returns a variable number of values.

A function that can be called with any number of arguments.

A function that takes an unspecified number of arguments of a specific type.

Solution:

What is encapsulation in Go?

The process of hiding implementation details behind an interface.

The process of containing one or more fields of another type.

The process of defining a variable with multiple values.

The process of implementing multiple interfaces in a single type.

Solution:

What is inheritance in Go?

The ability of a type to implement multiple interfaces.

The ability of a type to contain one or more fields of another type.

The ability of a type to inherit properties and behavior from another type.

The ability of a function to take multiple arguments.

Solution:

In Go, how are methods called on interfaces?

Through an interface variable that has been assigned to a struct value.

Through a struct variable that implements the interface.

Through a global function that takes an interface argument.

Through a constructor function that returns an interface.

Solution:

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Golang Questions Set 19:

How does Go handle errors?

Solution:

Which of the following is not a benefit of using interfaces in Go?

Solution:

What is a struct in Go?

Solution:

What is a goroutine in Go?

Solution:

What is the output of the following code?
package main
import "fmt"

func main() {
   var s1, s2 []int
   s1 = append(s1, 1, 2, 3)
   s2 = s1[:2]
   s2[0] = 4
   fmt.Println(s1, s2)
}

Solution:

How are methods defined in Go?

Solution:

What is a variadic function in Go?

Solution:

What is encapsulation in Go?

Solution:

What is inheritance in Go?

Solution:

In Go, how are methods called on interfaces?

Solution:

Related Question Sets:

Related Topics:

Golang Questions Set 19:

How does Go handle errors?

Solution:

Which of the following is not a benefit of using interfaces in Go?

Solution:

What is a struct in Go?

Solution:

What is a goroutine in Go?

Solution:

What is the output of the following code?package mainimport "fmt"func main() { var s1, s2 []int s1 = append(s1, 1, 2, 3) s2 = s1[:2] s2[0] = 4 fmt.Println(s1, s2)}

Solution:

How are methods defined in Go?

Solution:

What is a variadic function in Go?

Solution:

What is encapsulation in Go?

Solution:

What is inheritance in Go?

Solution:

In Go, how are methods called on interfaces?

Solution:

Related Question Sets:

Related Topics:

What is the output of the following code?
package main
import "fmt"

func main() {
var s1, s2 []int
s1 = append(s1, 1, 2, 3)
s2 = s1[:2]
s2[0] = 4
fmt.Println(s1, s2)
}