Modules

- Playing with `opens` and `open` modules
- Added a service interface, implementation and client usage example

Modules/deavmiKore/Modules/src/main/java/module-info.java

@@ -2,4 +2,9 @@ module ocp.hello
 {
 	exports ocp.practice.modules.Modules;
 	requires transitive ocp.gendering;
+	
+	opens ocp.practice.modules.Modules;
+	
+	provides ocp.practice.modules.Modules.IDoable
+	with ocp.practice.modules.Modules.DoableImpl;
 }

Modules/deavmiKore/Modules/src/main/java/ocp/practice/modules/Modules/DoableImpl.java

@@ -0,0 +1,12 @@
+package ocp.practice.modules.Modules;
+
+public class DoableImpl implements IDoable
+{
+
+	@Override
+	public void doTing()
+	{
+		System.out.println("I am doing da thang");
+	}
+
+}

Modules/deavmiKore/Modules/src/main/java/ocp/practice/modules/Modules/IDoable.java

@@ -0,0 +1,6 @@
+package ocp.practice.modules.Modules;
+
+public interface IDoable
+{
+	public void doTing();
+}

Modules/deavmiKore/UserModule/Greeting/src/main/java/module-info.java

@@ -1,4 +1,6 @@
 module ocp.practice.using
 {
 	requires ocp.hello;
+	
+	uses ocp.practice.modules.Modules.IDoable;
 }

Modules/deavmiKore/UserModule/Greeting/src/main/java/ocp/practice/using/Greeting/Greeter.java

@@ -1,7 +1,12 @@
 package ocp.practice.using.Greeting;
 
 import ocp.practice.modules.Modules.Hello;
+
+import java.util.Iterator;
+import java.util.ServiceLoader;
+
 import ocp.gendering.gendering.Gender;
+import ocp.practice.modules.Modules.IDoable;
 
 /**
  * Modules
@@ -16,5 +21,11 @@ public class Greeter
     	Hello.hello("Bobby!");
     	Gender gender = Hello.getGender();
 		System.out.println("Gender is: "+gender);
+		
+		Iterable<IDoable> services = ServiceLoader.load(IDoable.class);
+		for(IDoable service: services)
+		{
+			service.doTing();
+		}
     }
 }