import com.kwan.spring5.pojo.Book; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; /** * null和特殊符号 * * @author : qinyingjie * @version : 2.2.0 * @date : 2022/11/12 18:43 */ public class Spring_03_BookTest { @Test public void test1() { ApplicationContext ctx = new ClassPathXmlApplicationContext("spring3.xml"); Book book = (Book) ctx.getBean("book"); System.out.println(book); } }