Go Pointers

What's a pointer in Go?

• A function that returns a variable

• A variable that stores a value

• A type of loop in Go

• • A variable that is used to store the memory address of another variable

Which symbol denotes a pointer?

• *

• #

• &

• @

How do you declare a pointer?

• var p *int

• var p int

• var *p string

• var p &int

Pointers store memory addresses

• True

• False

What does & operator do?

• to get the size of a variable

• to get the type of a variable

• • to get the address of a variable in Go

• to get the value

What operator dereferences a pointer?

• &

• #

• *

• @

what does the following Go code print?

• 10

• The memory address of x

• 0

• nil

How to modify a value via pointer?

• ptr = value

• ptr* = value

• *ptr = value

• &ptr = value

What is the output of the following Go code?

• 10

• 23

• Compilation error

• 0

In Go, how are function parameters passed by default?

• By reference
• By pointer
• By value
• By address