exercise.md

Data Types

Objectives

1. What is the result of the following program? Why?

package main

import "fmt"

func main() {
    var userName
    userName = "user"
    fmt.Println(userName)
}

2. What is the result of the following program? Why?

package main

import "fmt"

func main() {
    var userName = "user"
    fmt.Println(userName)
}

3. Fix the following program by modifying one of the lines (but not adding or removing lines)

package main

import "fmt"

func main() {
    var userName
    userName = "user"
    fmt.Println(userName)
}

4. Modify the following program to print the types of the variables

package main

import "fmt"

func main() {
    var food = "Pizza"
    var slices = 4
    var pineappleOnPizza = true
}

Solution

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