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@Wombat9797(Yuto Nishime)

Swift勉強：１日目

Posted at

忘れないように学んだことの備忘録として書いています！

変数と定数の宣言と値の代入

  • 変数と定数

    • 値を入れる箱のようなもの

  • 変数

    • 入れた値を後で変更できる（再代入）

  • 定数

    • 入れた値は後で変更できない
    • 封がされた箱のようなもの
    • 絶対に変更されたくない値を入れるのに使うのか？

  • 名前の付け方

    • Lowe camel case「userName」（ひとこぶラクダ）
    • Upper camel case「UserName」（ふたこぶラクダ）
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