摘要:
/** * @auto dh * @create 2020-04-29-9:31 */interface Id010{ void run(); default void test(){ System.out.println("hello ,I am default method"); } stati 阅读全文
摘要:
/** * @auto dh * @create 2020-04-29-9:25 */abstract class Id009{ public Id009(){ } abstract void test();}public class Test009 { public static void mai 阅读全文