Javaの新バージョン「Java 18」の正式版がリリース。Charsetがデフォルトで「UTF-8」になる他、シンプルなWebサーバがJDKに組み込まれる「JEP 408」など ...

Note: It is called constructor because it constructs the values at the time of object creation. It is not necessary to write a constructor for a class. It is because java compiler creates a default ...

The Java language spec lists 10 Java constructor types, including default, no-args, canonical, private parameterized, generic, overloaded and anonymous.