신입개발자_장민기

DTO에서 value 설정 package com.spring; import org.springframework.beans.factory.annotation.Value; public class Person { //Value: 특정값을 주입할 때 사용(자바코드 외부의 리소스나 환경정보 설정값을 사용하는 등) @Value("홍길동") // xml: private String username; @Value("10") // java코드: int age = 10; private int age; @Override public String toString() { return "Person [username=" + username + ", age=" + age + "]"; } public Person() { super(..

Person package com.spring; import javax.annotation.Resource; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Required; public class Person { private String userName; private int age; @Resource(name = "pet02") private Cat cat; @Override public String toString() { return "Person [userName=" + userName + ", age=" + age + ", cat=" + ..

Main package com.spring; import org.springframework.context.support.GenericXmlApplicationContext; public class main { public static void main(String[] args) { GenericXmlApplicationContext ctx = new GenericXmlApplicationContext("classpath:com/config/echo1.xml", "classpath:com/config/echo2.xml"); Person person = (Person) ctx.getBean("person"); System.out.println(person); System.out.println(person...

Head에 등록하는 경우(byName) Heda에 등록하는 경우(byType) 겹치는 타입이 없어야 함 bean의 속성으로 등록하는 경우(byType) Bean + Primary(주입 대상 선택) Bean + Candidate=false(주입 대상 제외) @Autowired package com.spring; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Required; public class Person { private String userName; private int age; @Autowired Cat cat; @Autowired priv..

main import org.springframework.context.ApplicationContext; import org.springframework.context.support.GenericXmlApplicationContext; import com.dto.Student; public class main { public static void main(String[] args) { ApplicationContext ctx = new GenericXmlApplicationContext("classpath:com/config/student.xml"); Student stu = ctx.getBean("student1", Student.class); Student stu2 = ctx.getBean("stu..

main package com.spring; import java.util.Set; import org.springframework.context.support.GenericXmlApplicationContext; public class Main { public static void main(String[] args) { GenericXmlApplicationContext ctx = new GenericXmlApplicationContext("classpath:echo2.xml"); EchoBean echo = (EchoBean) ctx.getBean("echoBean2"); Set keys = echo.map.keySet(); for (String key : keys) { AnotherBean k = ..

EchoBeanTest package com.spring; import org.springframework.context.ApplicationContext; import org.springframework.context.support.GenericXmlApplicationContext; public class EchoBeanTest { public static void main(String[] args) { ApplicationContext ctx = new GenericXmlApplicationContext("classpath:com/spring/echo2.xml"); EchoBean echo = (EchoBean)ctx.getBean("echoBean"); System.out.println(echo...

TestStudent import org.springframework.context.ApplicationContext; import org.springframework.context.support.GenericXmlApplicationContext; import com.spring.Person; public class TestStudent { public static void main(String[] args) { ApplicationContext ctx = new GenericXmlApplicationContext("classpath:Echo.xml"); Person p1 = (Person)ctx.getBean("person"); System.out.println(p1); System.out.print..

PersonTest import org.springframework.context.ApplicationContext; import org.springframework.context.support.GenericXmlApplicationContext; import com.spring.Person; public class personTest { public static void main(String[] args) { ApplicationContext ctx = new GenericXmlApplicationContext("classpath:com/spring/person.xml"); Person p1 = (Person) ctx.getBean("xxx"); System.out.println(p1); System...

11 4.3.22.RELEASE 내용 수정 이전 추가 dependency를 넣는 곳 11 11 수정 이후 MAVEN 업데이트(Alt+F5)