로컬 클래스 사용 연습

In the Cat class, implement the toCanSpeak method's logic, which is described in a Javadoc.

In the Dog class, implement the toCanSpeak method's logic, which is described in a Javadoc.

1. Create 2 interfaces in separate files: 1.1) Item with int getId(), double getPrice(), and String getTM() methods 1.2) Jeans extends Item with the int getLength() and int getSize() methods. 2. In the Util class, add the missing Java code to the getAllJeans method.