Code example for field injection and other changes

spring-boot/dependency-injection/src/main/java/com/example/fieldinjection/IceCream.java

@@ -0,0 +1,27 @@
+package com.example.fieldinjection;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.example.dependency.Topping;
+
+@Component
+public class IceCream {
+
+	@Autowired
+	Topping toppings;
+
+	public Topping getToppings() {
+		return toppings;
+	}
+
+	void setToppings(Topping toppings) {
+		this.toppings = toppings;
+	}
+
+	@Override
+	public String toString() {
+		return "IceCream [toppings=" + toppings + "]";
+	}
+
+}