Go Random Number

by Online Tutorials Library July 14, 2022

Go Random Number Generation

We can generate random number using rand object. We should provide some seeding to rand object so that the number generated are different. If we does not provide the seeding then the compiler always produce the same result.

Go Random Number Generation

 package main  import “fmt” import ( “math/rand” //”time” “time” ) func main() { fmt.Print(rand.Intn(100))  //will produce random integer between 0 to 100 fmt.Println()  fmt.Print(rand.Float64())// will produce random number between 0 to 1 fmt.Println()  rand.Seed(time.Now().Unix())  // seeding do that random number will produced myrand := random(1, 20)  fmt.Println(myrand)  }  func random(min, max int) int { return rand.Intn(max – min) + min } 

Output:

81 0.9405090880450124 17

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