Example6_5.java interface SpeakHello { void speakHello(); } class Chinese implements SpeakHello { public void speakHello() { System.out.println("中国人习惯问候语:你好,吃饭了吗? "); } } class English implements SpeakHello { public void speakHello() { System.ou…
Overview The Log4j 2 API provides the interface that applications should code to and provides the adapter components required for implementers to create a logging implementation. Although Log4j 2 is broken up between an API and an implementation, the…