Java
2ã¤ã®ã¤ã³ã¿ã¼ãã§ã¼ã¹(interfaceA, interfaceB)ãå®è£ ããã¯ã©ã¹ TestAandB ãèãã¾ãã interface interfaceA {} interface interfaceB {} class TestAandB implements interfaceA, interfaceB {} interfaceAåã®ãªãã¸ã§ã¯ããå¼æ°ã«åãé¢æ° test(interâ¦