今日の1年生の Java の授業を見学したところ、今回は static キーワード がテーマでした。 市販の教材や多くの授業では、static の文法知識だけを扱うことが多いようですが、実際にはその使いどころや設計意図まで理解しないと本質には届きません。 やはり ...

Ever wonder why Java's const keyword is unimplemented? More specifically, why do we mark global constants in Java with both the static and final keywords? Why are Java constants static and final? The ...

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 ...

Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality, that ...