Most new Java developers quickly learn that they should generally compare Java Strings using String.equals(Object) rather than using ==. This is emphasized and reinforced to new developers repeatedly ...

インスタンスメソッドとはインスタンスに属するメソッドです。Javaでは、 メソッドの可視性もフィールド変数と同じ4つです。メソッドの可視性は最小のprivateから始めて、 必要に応じてpackage private、 protected、 publicと大きくしていくのが良いでしょう。

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...