👨‍💻
Dokumentasi Golang (PT Phincon)
  • 🚀Dokumentasi Bootcamp (PT Phincon)
  • Command di Golang
  • Static Type di Golang
  • Variable and Constant
    • Variable daI Constant
    • Deklarasi Variabel
    • Iota (Auto Increment)
    • Blank Identifier (Variable Underscore)
    • Access Modifier (Public or Private)
  • Tipe Data Primitif
    • Integer dan Unsigned Integer
    • Float dan Complex
    • String
    • Boolean
  • Tipe Data Aggregate
    • Array
    • Struct
  • Tipe Data Reference
    • Slice
    • Map
    • Function in Golang
      • Function
      • Function vs Method
      • Function vs Procedure
      • Private vs Public Function
      • Function Init dan Main
      • Function dengan Return Multiple Value
      • Variadic Function
      • Function sebagai Parameter
      • Anonymous Function
      • Input Function dari CLI
      • Exercise (Function)
  • Default Value setiap Tipe Data
  • Type Declaration di Golang
    • Type Declaration
    • Type Declaration Built-In di Golang
  • Kebab Case, Camel Case, Snake Case & Pascal Case di Golang
  • Konversi Tipe Data
  • If-Else dan Switch
    • If Else
    • Switch
    • Exercise
  • Looping
    • Looping For
    • Looping for range
    • Infinite Looping
    • Penerapan Looping pada Sorting
  • Operator di Golang
    • Arithmetic Operator
    • Assignment Operator
    • Relational Operator
    • Logic Operator
  • Interface
  • Interface Kosong atau Any
  • Nil
  • Pointer
    • Pass By Value dan Pass By Reference
    • Pointer (Pass By Reference)
    • Operator Address (& dan *)
    • Default Value Pointer
    • Tricky Case
    • Pointer pada Parameter di Function
    • Pointer pada Method
  • Package
    • Fmt
    • Rand
    • Os
    • Strings
      • To Lower
      • Contains
      • Split
      • Trim
      • Atoi
      • Itoa
      • EqualFold
    • Random Generator
    • Time
      • Get Current Time By Location
      • Time Sleep
      • Time Since
      • Timer & After
      • AfterFunc
      • Ticker & Tick
  • Go dan JSON
    • JSON vs XML
    • Unmarshal vs Marshal
    • Marshal (Go Object -> JSON)
    • Unmarshal (JSON -> Go Object)
    • Streaming Decoder & Encoder
    • Tag
    • JSON Go Return Byte
  • Go dan CSV
    • Insert Data ke File CSV
    • Insert 1.000.000 Data ke File CSV
  • Goroutine
    • Concurrency vs Parrarel
    • Go Routine Sederhana
    • Go Routine vs Synchronous
    • Wait Group
    • Defer
    • Channel
    • Buffered Channel
    • Select Channel
    • Deadlock - All goroutines are asleep
    • Race Condition
    • Mutex (Mutual Exclusion)
    • RW Mutex vs Mutex
    • Once
    • Pool
    • Atomic
    • Go Max Procs
    • Exit
    • Exercise 1 : Go Routine + Context + Channel
    • Exercise 2 : Worker (Go Routine + Channel + Context)
    • Exercise 3 : Random Worker (Go Routine + Channel + Context)
    • Exercise : Implementasi Goroutine dan Channel pada File CSV
  • Go Context
    • Pengenalan Context
    • Context Background & TODO
    • Context With Value
    • Context WithDeadline dan Context WithTimeout
    • Context WithCancel dan Context Done
  • Pengenalan HTTP
  • Go Native HTTP
    • HTTP Server
    • HTTP Server Multi Handler
    • HTTP Server dengan Serve Mux
    • HTTP Response Writer
    • HTTP Test
    • Routing
    • Konsep Middleware
    • Middleware
    • Get Query Parameter
    • Get Path Parameter
    • Request JSON
    • Request Form
    • Get dan Set Header
    • Get dan Set Cookie
    • Redirect
    • Serve File
    • Upload File
    • Download File
    • Hit Endpoint dengan Curl di Terminal
  • Go Gin Framework
    • HTTP Server
    • Router
    • Middleware
    • Get Query Parameter
    • Get Path Parameter
    • Request JSON
    • Request Form
    • Get dan Set Header
    • Get dan Set Cookie
    • Redirect
    • Serve File
    • Upload File
    • Download File
  • Golang dan Database
    • Instalasi MySQL dengan Docker Desktop
    • Instalasi PostgreSQL dengan Docker
    • Basic SQL
    • SQL Join
    • SQL Relation
    • Golang Database Driver
    • Golang dan SQL
  • Go Unit Test
    • Method di Package Testing
    • Package Assert & Require
    • Running Sub Test
    • Table Test
    • Generate Coverage Unit Testing dalam Bentuk HTML
  • Sonar Qube dan Sonar Scanner
  • Logging
  • Golang dan Redis
  • Golang dan RabbitMQ
    • Instalasi RabbitMQ dengan Docker
    • Instalasi Package RabbitMQ di Golang
    • Publisher dan Consumer
    • Publisher dan Multi Consumer
    • Setting RabbitMQ (Durable, Auto Delete dan Ack)
  • Git Command
  • Git Clone dengan SSH
  • Anotasi dan Package di Java Spring Boot
Powered by GitBook
On this page
  1. Tipe Data Reference
  2. Function in Golang

Exercise (Function)

Buat lah program gunakan multiple return value dari data nama berikut:

• Aditya Ananta Putra • ADNAN NUR JAILANI • Afrila Zahra Prasetyo • Aida Nirmala • Amalia Rahma • ANDINI DWI RIZKY PUTRI • Angga Putra • CAHAYA WIJAYA IJAM • Dea Christina • DEVITA NANDA OKTAVIA • DEWI AYU LESTARI • Dhevina Ananda Fitri • DHEVY YANI RIZKI • Dwi Mahani • Eri Santosos • Faiza Amalia Mahfudz • FAUZIYATUNNISA • Febriyanti Syabina • Hafifah Nur Azmi Pratiwi • Juliansyah Husien • Kharisa Nur Aziza • Lun Wina • MAHREVA ROESTHA RAMADANIATY • MUHAMMAD FADHILAH • Muhammad Fatah Firdaus • Muhammad Rafly Ahya • Muhammad Rahmin Noor • Muhammad Rivaldi • Muhammad Rizky Rachmadhani • Nadiah Nahdhah Islamiyah • NOLA FEBRIANA SAPUTRI • RAFADYAN REYHAN MARITZA WERAT • Robby Satria • Salshabilla Wahyu Anafi • STEVI VIONI PAKULLA • Winny Rahmah Nia

Ketentuan: a. Menghitung jumlah data b. Mencari data yang terdapat kata “Muhammad” dengan return slice c. Menghitung huruf a dari masing-masing nama dengan return map key:nama dan value:jumlah huruf a

Answer

package main

import (
	"fmt"
	"strings"
)

var usernames []string = []string{
    "Aditya Ananta Putra",
    "ADNAN NUR JAILANI",
    "Afrila Zahra Prasetyo",
    "Aida Nirmala",
    "Amalia Rahma",
    "ANDINI DWI RIZKY PUTRI",
    "Angga Putra",
    "CAHAYA WIJAYA IJAM",
	"Dea Christina",
    "DEVITA NANDA OKTAVIA",
    "DEWI AYU LESTARI",
    "Dhevina Ananda Fitri",
    "DHEVY YANI RIZKI",
    "Dwi Mahani",
 	"Eri Santosos",
    "Faiza Amalia Mahfudz",
    "FAUZIYATUNNISA",
    "Febriyanti Syabina",
    "Hafifah Nur Azmi Pratiwi",
    "Juliansyah Husien",
    "Kharisa Nur Aziza",
    "Lun Wina",
    "MAHREVA ROESTHA RAMADANIATY",
    "MUHAMMAD FADHILAH",
    "Muhammad Fatah Firdaus",
    "Muhammad Rafly Ahya",
    "Muhammad Rahmin Noor",
    "Muhammad Rivaldi",
    "Muhammad Rizky Rachmadhani",
    "Nadiah Nahdhah Islamiyah",
    "NOLA FEBRIANA SAPUTRI",
    "RAFADYAN REYHAN MARITZA WERAT",
    "Robby Satria",
    "Salshabilla Wahyu Anafi",
    "STEVI VIONI PAKULLA",
    "Winny Rahmah Nia",
}

	
func check(usernames ...string) (totalData int, checkMuhammad []string, totalAperData map[string]int) {
	totalAperData = map[string]int{}
	for i := range usernames {
		// check if username contain alphabet "A"
		if strings.Contains(strings.ToLower(usernames[i]), "muhammad") {
			checkMuhammad = append(checkMuhammad, usernames[i])
		}
		
		// calculate total data
		totalData++
		
		// calculate "A" for every data
		totalAperData[usernames[i]] = strings.Count(strings.ToLower(usernames[i]), "a")
	}

	return totalData, checkMuhammad, totalAperData
}

func main() {
	totalData, checkMuhammad, totalAperData := check(usernames...)

	fmt.Println(totalData)
	fmt.Println(checkMuhammad)
	fmt.Println(totalAperData)
}
36
[MUHAMMAD FADHILAH Muhammad Fatah Firdaus Muhammad Rafly Ahya Muhammad Rahmin Noor Muhammad Rivaldi Muhammad Rizky Rachmadhani]
map[ADNAN NUR JAILANI:4 ANDINI DWI RIZKY PUTRI:1 Aditya Ananta Putra:6 Afrila Zahra Prasetyo:5 Aida Nirmala:4 Amalia Rahma:5 Angga Putra:3 CAHAYA WIJAYA 
IJAM:6 DEVITA NANDA OKTAVIA:5 DEWI AYU LESTARI:2 DHEVY YANI RIZKI:1 Dea Christina:2 Dhevina Ananda Fitri:4 Dwi Mahani:2 Eri Santosos:1 FAUZIYATUNNISA:3 Faiza Amalia Mahfudz:6 Febriyanti Syabina:3 Hafifah Nur Azmi Pratiwi:4 Juliansyah Husien:2 Kharisa Nur Aziza:4 Lun Wina:1 MAHREVA ROESTHA RAMADANIATY:7 MUHAMMAD FADHILAH:4 Muhammad Fatah Firdaus:5 Muhammad Rafly Ahya:5 Muhammad Rahmin Noor:3 Muhammad Rivaldi:3 Muhammad Rizky Rachmadhani:5 NOLA FEBRIANA SAPUTRI:4 Nadiah Nahdhah Islamiyah:6 RAFADYAN REYHAN MARITZA WERAT:7 Robby Satria:2 STEVI VIONI PAKULLA:2 Salshabilla Wahyu Anafi:6 Winny Rahmah Nia:3]
PreviousInput Function dari CLINextDefault Value setiap Tipe Data

Last updated 2 years ago