2段階目(抽象クラスとインターフェースを使ってみよう)

This commit is contained in:
s-sakiyama
2026-09-16 13:12:58 +09:00
parent 03c7af9751
commit 551f5a4fe2
6 changed files with 56 additions and 4 deletions

View File

@@ -0,0 +1,4 @@
public interface LoudGreeting {
String shout();
}