Added Spring Framework sample code

3 files changed, 80 insertions, 0 deletions

diff --git a/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/App.java b/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/App.java
new file mode 100644
index 0000000..14c2599
--- /dev/null
+++ b/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/App.java
@@ -0,0 +1,39 @@
+package com.example.spring;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan(basePackages = "com.example.spring")
+public class App {
+
+	public static void main(String[] args) {
+
+		@SuppressWarnings("resource")
+		ApplicationContext ctx = 
+		          new AnnotationConfigApplicationContext(App.class);
+		
+		MathsUser mathsUser = ctx.getBean(MathsUser.class);
+		
+		mathsUser.doTask();
+		
+	}
+
+	// Another way
+	public static void main2(String[] args) {
+
+		
+		@SuppressWarnings("resource")
+		AnnotationConfigApplicationContext ctx = 
+		          new AnnotationConfigApplicationContext();
+		ctx.scan("com.example.spring");
+	    ctx.refresh();
+	    
+		MathsUser mathsUser = ctx.getBean(MathsUser.class);
+		
+		mathsUser.doTask();
+		
+	}
+}
diff --git a/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/Maths.java b/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/Maths.java
new file mode 100644
index 0000000..8825be7
--- /dev/null
+++ b/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/Maths.java
@@ -0,0 +1,24 @@
+package com.example.spring;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Maths {
+	
+	@Value("10")
+	private int b;
+	
+	public int getB() {
+		return b;
+	}
+
+	public void setB(int b) {
+		this.b = b;
+	}
+
+
+	public int add(int a) {
+		return a + b;
+	}
+}
diff --git a/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/MathsUser.java b/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/MathsUser.java
new file mode 100644
index 0000000..90a448d
--- /dev/null
+++ b/spring-framework/04-basic-no-xml/src/main/java/com/example/spring/MathsUser.java
@@ -0,0 +1,17 @@
+package com.example.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MathsUser {
+
+	@Autowired
+	private Maths maths;
+	
+	public void doTask() {
+		int result = maths.add(10);
+		
+		System.out.println(result);
+	}
+}