Japanese for Programmers

変数 (hensū) variable

Related words:

• 割り当てる (wariateru) to assign

Useful derivatives:

• 環境変数 (kankyō hensū) environment variable
• 外部変数 (gaibu hensū) external variable
• 共用変数 (kyōyō hensū) shared variable
• 局所変数 (kyokusho hensū) local variable
• グローバル変数 (gurōbaru hensū) global variable
• 静的変数 (seiteki hensū) static variable
• 定義済み変数 (teigi-sumi hensū) built-in/predefined variable
• 変数名 (hensū-mei) variable name.

関数 (kansū) function

Related words:

• 呼び出す (yobidasu) to call (also just 呼ぶ (yobu))
• 引数 (insū/hikisū) argument (i.e. to a function)
• 返却値 (henkyakuchi) return value
  (Also 戻り値 (modori-chi))

Useful derivatives:

• 再帰関数 (saiki kansū) recursive function
  (再帰 (saiki) in itself means recursion, and 末尾再帰 (matsubi saiki) is tail recursion)
• 定義済み関数 (teigi-sumi kansū) predefined function
• メンバー関数 (membā kansū) member function (in C++ or Java, for instance)
• 関数呼び出し (kansū yobidashi) function call
• 関数名 (kansū-mei) function name
• 復帰する (fukki suru) to return

メモリ (memori) memory, and the stuff you can do with it

Related words:

• 確保する (kakuho suru) to allocate (memory/resource)
• 獲得する (kakutoku suru) to acquire (memory/resource)
• 解放する (kaihō suru) to release/free (memory/resoruce)
• 漏れ (more) a leak (watch out for these!)
  (Also　メモリリーク (memori rīku) memory leak)

More useful Japanese programming words

• 列挙 (rekkyo) enumeration
• 配列 (hairetsu) array
• 文字配列 (moji hairetsu) (character) string
• 記述(子) (kijutsu(shi)) descriptor (e.g. file descriptor/handle)
• 演算 (enzan) operation (e.g. 浮動小数点演算 (fudōshōsūten'enzan) floating point operation)
• 差分 (sabun) a diff
• 例外 (reigai) exception
  (例外を投げる (reigai o nageru) throw an exception)
• ホゲ (hoge) foobar