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Arrays in Go language with Simple example

The below program initialises a static array of 7 elements and prints the values of each element using for loop, this this program demonstrates how to initialise a static array and also how to use a for loop in go language.

 $ vim static_array_example.go 
package main

import (
        "fmt"
)

func main() {
        array_name := [7]int{1, 5, 6, 4, 9, 3, 10}
        for j:=0; j < len(array_name); j++ {
                fmt.Println("array:", j , "val:", array_name[j]);
        }
}

As we can see above, array can be declared an initialised in go as,

array_name := [7]int{1, 5, 6, 4, 9, 3, 10}

here, “array_name” is the name of array which we want to declare. [7] depicts the size of array, “int” shows our array is of integers and {1, 5, 6, 4, 9, 3, 10} are the initialisation values for array elements.

for j:=0; j < len(array_name); j++ {
     fmt.Println("array:", j , "val:", array_name[j]);
}

Above code access those array elements and prints values on the console.

We can Compile the go program using “go build” command as,

 $ go build static_array_example.go 
 $ ./static_array_example 

You can build and execute the code in single step as,

 $ go run static_array_example.go 
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