WON.dev

${result }

안녕 Hello

package org.joonzis.service; public class LanguageServiceImpl implements LanguageService { //implements 구현 오버라이딩 필요 @Override public String executeHangeul() { return "안녕"; } @Override public String executeEnglish() { return "hello"; } }

package org.joonzis.service; public interface LanguageService { public String executeHangeul(); public String executeEnglish(); }

package org.joonzis.controller; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.joonzis.service.LanguageService; import org.joonzis.service.LanguageServiceImpl; @WebServlet("*.do") public clas..