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C# da Metod

Metod (Funksiya)

Funksiya – bu kodning qayta ishlatiladigan qismi bo’lib, u bir yoki bir nechta vazifalarni bajarish uchun yoziladi. Funksiya boshqa joyda chaqirilganda, u bajariladi va natija qaytarilishi mumkin. Funksiya ma’lum bir vazifani bajarish uchun ishlatiladi va kodni modul qilish hamda qayta ishlatishni osonlashtiradi.

Funksiyaning asosiy qismlari:

Funksiya turi (return type): Funksiya qanday turdagi qiymatni qaytarishi kerakligini bildiradi. Masalan, int, void, double va boshqalar.

Funksiya nomi (function name): Funksiyaga berilgan ism bo’lib, chaqirilganda uni ishlatish uchun xizmat qiladi.

Parametrlar (parameters): Funksiya kiruvchi qiymatlar olishi mumkin, bu qiymatlar funksiyaga berilgan argumentlar yordamida uzatiladi. Agar parametrlar kerak bo’lsa, bo’sh qavslar (()) yoziladi.

Tana qismi (function body): Funksiya bajaradigan amallar bu yerda yoziladi. Qavslar {} ichiga yoziladi.

Qaytarish bayonoti (return statement): Funksiya natijani qaytarishi mumkin. Agar funksiya natija qaytarishi kerak bo’lsa, return bayonoti ishlatiladi. Aks holda, funksiya void bo’lishi mumkin va qaytarish talab qilinmaydi.

Sintaksis:

qaytish_turi FunksiyaNomi(parametrlar)
{
    // Funksiyaning ishlash qismi
    return qiymat; // Agar qaytish turi `void` bo'lmasa
}

Masalan:

string GenerateGreeting(string ism, string sana)
{
    return $"Salom, {ism}! Bugungi sana: {sana}.";
}

Kodni qisqartirish:

Agar kodimiz bir qatorli bo’lsa uni qisqartirsak bo’ladi. “return” -> “=>”.

string GenerateGreeting(string ism, string sana)
    => $"Salom, {ism}! Bugungi sana: {sana}.";

Conclusion:

Funksiyalar kodni modul qilish va qayta ishlatishni osonlashtiradi. Ular bir qatorli vazifalarni bajarish uchun ishlatiladi va kodni qisqartirishga imkon beradi.

FAQs:

Q: What is a function?

A: A function is a block of code that can be executed multiple times from different parts of a program.

Q: What are the main parts of a function?

A: The main parts of a function are its return type, name, parameters, body, and return statement.

Q: How do I write a function?

A: You can write a function by defining its return type, name, parameters, and body, and then calling it from other parts of your program.

Q: What is the purpose of a function?

A: The purpose of a function is to modularize your code, make it reusable, and simplify your program.

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