springIOC

src/main/java/springIOC/Driver.java

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+package springIOC;
+
+public class Driver {
+    public Driver(){
+        System.out.println("driver");
+    }
+}

src/main/java/springIOC/Main.java

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+package springIOC;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class Main {
+    public static void main(String[] args) {
+        ApplicationContext context = new ClassPathXmlApplicationContext("app.xml");
+//        Driver d = (Driver) context.getBean("d");
+        Tank t = (Tank) context.getBean("t");
+    }
+}

src/main/java/springIOC/Tank.java

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+package springIOC;
+
+public class Tank {
+    private Driver driver;
+
+    public Driver getDriver() {
+        return driver;
+    }
+
+    public void setDriver(Driver driver) {
+        this.driver = driver;
+    }
+}

src/main/resources/app.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+    <bean id="d" class="springIOC.Driver"></bean>
+    <bean id="t" class="springIOC.Tank">
+        <property name="driver" ref="d"></property>
+    </bean>
+</beans>