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1ν•™λ…„ Backend.md

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Backend

Http 톡신 - Request & Response

  • μš”μ²­ Request, 응닡 Response으둜 이루어짐

  • ν΄λΌμ΄μ–ΈνŠΈκ°€ μ„œλ²„μ—κ²Œ μš”μ²­μ„ 보냄

  • μ„œλ²„λŠ” μš”μ²­μ— λŒ€ν•œ 응닡 κ²°κ³Όλ₯Ό 쀌

  • ν΄λΌμ΄μ–ΈνŠΈ μ‚¬μš©μžμ—κ²Œ 응닡 받은 κ²°κ³Όλ₯Ό λ³΄μ—¬μ€Œ

Http νŒ¨ν‚·

  • Http 톡신은 μš”μ²­μ„ 보내고 응닡을 λ°›μ„λ•Œ κ·Έ 정보λ₯Ό νŒ¨ν‚·(Packet)에 λ„£μ–΄ 보낸닀.

  • νŒ¨ν‚· ꡬ쑰 : Header / Body

  • Header : λ³΄λ‚΄λŠ” μ‚¬λžŒμ˜ μ£Όμ†Œ, λ°›λŠ” μ‚¬λžŒμ˜ μ£Όμ†Œ, νŒ¨ν‚· 생λͺ…μ‹œκ°„

  • Body : μ‹€μ œ μ „λ‹¬ν•˜κ³ μž ν•˜λŠ” λ‚΄μš©

    img

  • μš”μ²­κ³Ό 응닡에 λ‹΄κ²¨μžˆλŠ” 정보

Java

μ ‘κ·Όμ œν•œμž :

public - λͺ¨λ‘ ν—ˆμš©

protected - 같은 νŒ¨ν‚€μ§€ ν—ˆμš©, 상속관계 ν—ˆμš©

default - 같은 νŒ¨ν‚€μ§€ ν—ˆμš©

private - 같은 클래슀 λ‚΄μ—μ„œλ§Œ ν—ˆμš©

public class Main {
    private String hello;

    //Getter
    public String getHello() {
        return hello;
    }

    //Setter
    public void setHello(String hello) {
        this.hello = hello;
    }
}