**カプセル化・継承・ポリモーフィズム・抽象化** を、 **Python と Java のコード例付きで、一行ずつ丁寧にコメント** を付けて説明します。 --- # 🧱 オブジェクト指向の4大要素を Python & Java で比較解説 --- # 1. 🔒 カプセル化（Encapsulation） ## Python 例 ```python ...

# In this lecture we will learn an important concept of Object-Oriented Programming # called ENCAPSULATION. # What is Encapsulation? # Encapsulation means combining DATA and FUNCTIONS together inside ...

# Here we look at another example, where we have three methods # set_val(), get_val(), and increment_val(). # set_val() helps to set a value, get_val() prints the value, # and increment_val() ...

As deep-sea exploration goes deeper and becomes more grueling, our submarine (program) is subjected to tremendous water pressure. What would happen if even one hole opened up in the hull? "Just by ...