diff --git a/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java b/core-java-collections/src/test/java/com/baeldung/queueinterface/PriorityQueueUnitTest.java
similarity index 100%
rename from core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java
rename to core-java-collections/src/test/java/com/baeldung/queueinterface/PriorityQueueUnitTest.java
diff --git a/guice/pom.xml b/guice/pom.xml
index 0aea662d64..5c4518da7a 100644
--- a/guice/pom.xml
+++ b/guice/pom.xml
@@ -1,45 +1,29 @@
-
- 4.0.0
- com.baeldung.examples.guice
- guice
- 1.0-SNAPSHOT
- jar
- guice
+
+ 4.0.0
+ com.baeldung.examples.guice
+ guice
+ 1.0-SNAPSHOT
+ jar
+ guice
-
- com.baeldung
- parent-modules
- 1.0.0-SNAPSHOT
-
+
+ com.baeldung
+ parent-modules
+ 1.0.0-SNAPSHOT
+
-
-
- com.google.inject
- guice
- ${guice.version}
-
+
+
+ com.google.inject
+ guice
+ ${guice.version}
+
+
-
- org.springframework
- spring-context
- ${spring.version}
-
+
+ 4.1.0
+
-
- org.springframework
- spring-test
- ${springtest.version}
- test
-
-
-
-
- 4.2.2
- 5.1.3.RELEASE
- 5.1.3.RELEASE
-
-
-
+
\ No newline at end of file
diff --git a/guice/src/main/java/com/baeldung/examples/common/Account.java b/guice/src/main/java/com/baeldung/examples/common/Account.java
index 8f8b5059c5..fd2df005ac 100644
--- a/guice/src/main/java/com/baeldung/examples/common/Account.java
+++ b/guice/src/main/java/com/baeldung/examples/common/Account.java
@@ -1,8 +1,5 @@
package com.baeldung.examples.common;
-import org.springframework.stereotype.Component;
-
-@Component
public class Account {
private String accountNumber;
diff --git a/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java b/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java
index 969c106d5b..18d6777c4a 100644
--- a/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java
+++ b/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java
@@ -1,8 +1,5 @@
package com.baeldung.examples.common;
-import org.springframework.stereotype.Component;
-
-@Component
public class AccountServiceImpl implements AccountService {
}
diff --git a/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java b/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java
index 01f968bbe9..aee0d22e51 100644
--- a/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java
+++ b/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java
@@ -1,10 +1,7 @@
package com.baeldung.examples.common;
-import org.springframework.beans.factory.annotation.Autowired;
-
public class BookServiceImpl implements BookService {
- @Autowired(required = false)
private AuthorService authorService;
}
diff --git a/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java b/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java
index 971db5aa87..ecbf198cc0 100644
--- a/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java
+++ b/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java
@@ -1,8 +1,5 @@
package com.baeldung.examples.common;
-import org.springframework.stereotype.Component;
-
-@Component
public class PersonDaoImpl implements PersonDao {
}
\ No newline at end of file
diff --git a/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java b/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java
index f0cba31d9a..929013cd2b 100644
--- a/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java
+++ b/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java
@@ -1,12 +1,9 @@
package com.baeldung.examples.guice;
-import org.springframework.lang.Nullable;
-
import com.google.inject.Inject;
public class FooProcessor {
@Inject
- @Nullable
private Foo foo;
}
\ No newline at end of file
diff --git a/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java b/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java
index 6a380e922b..fbcd36b56a 100644
--- a/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java
+++ b/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java
@@ -27,7 +27,7 @@ public class GuiceModule extends AbstractModule {
// });
bind(Foo.class).toProvider(new Provider() {
public Foo get() {
- return null;
+ return new Foo();
}
});
bind(PersonDao.class).to(PersonDaoImpl.class);
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/Account.java b/spring-core/src/main/java/com/baeldung/di/spring/Account.java
new file mode 100644
index 0000000000..6d9883bda5
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/Account.java
@@ -0,0 +1,27 @@
+package com.baeldung.di.spring;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class Account {
+
+ private String accountNumber;
+ private String type;
+
+ public String getAccountNumber() {
+ return accountNumber;
+ }
+
+ public void setAccountNumber(String accountNumber) {
+ this.accountNumber = accountNumber;
+ }
+
+ public String getType() {
+ return type;
+ }
+
+ public void setType(String type) {
+ this.type = type;
+ }
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/AccountService.java b/spring-core/src/main/java/com/baeldung/di/spring/AccountService.java
new file mode 100644
index 0000000000..75ba6bb3eb
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/AccountService.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public interface AccountService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/AccountServiceImpl.java b/spring-core/src/main/java/com/baeldung/di/spring/AccountServiceImpl.java
new file mode 100644
index 0000000000..4a4baf7d92
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/AccountServiceImpl.java
@@ -0,0 +1,8 @@
+package com.baeldung.di.spring;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class AccountServiceImpl implements AccountService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/AudioBookService.java b/spring-core/src/main/java/com/baeldung/di/spring/AudioBookService.java
new file mode 100644
index 0000000000..c82e5ed282
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/AudioBookService.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public interface AudioBookService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/AudioBookServiceImpl.java b/spring-core/src/main/java/com/baeldung/di/spring/AudioBookServiceImpl.java
new file mode 100644
index 0000000000..53a544b65a
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/AudioBookServiceImpl.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public class AudioBookServiceImpl implements AudioBookService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/AuthorService.java b/spring-core/src/main/java/com/baeldung/di/spring/AuthorService.java
new file mode 100644
index 0000000000..cfb525ddf9
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/AuthorService.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public interface AuthorService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/AuthorServiceImpl.java b/spring-core/src/main/java/com/baeldung/di/spring/AuthorServiceImpl.java
new file mode 100644
index 0000000000..007eb29930
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/AuthorServiceImpl.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public class AuthorServiceImpl implements AuthorService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/BookService.java b/spring-core/src/main/java/com/baeldung/di/spring/BookService.java
new file mode 100644
index 0000000000..8e693e687d
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/BookService.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public interface BookService {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/BookServiceImpl.java b/spring-core/src/main/java/com/baeldung/di/spring/BookServiceImpl.java
new file mode 100644
index 0000000000..b4ea602234
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/BookServiceImpl.java
@@ -0,0 +1,10 @@
+package com.baeldung.di.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class BookServiceImpl implements BookService {
+
+ @Autowired(required = false)
+ private AuthorService authorService;
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/Foo.java b/spring-core/src/main/java/com/baeldung/di/spring/Foo.java
new file mode 100644
index 0000000000..9d9b5d0888
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/Foo.java
@@ -0,0 +1,4 @@
+package com.baeldung.di.spring;
+
+public class Foo {
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/FooProcessor.java b/spring-core/src/main/java/com/baeldung/di/spring/FooProcessor.java
new file mode 100644
index 0000000000..9baaaef7a3
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/FooProcessor.java
@@ -0,0 +1,6 @@
+package com.baeldung.di.spring;
+
+public class FooProcessor {
+
+ private Foo foo;
+}
\ No newline at end of file
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/PersonDao.java b/spring-core/src/main/java/com/baeldung/di/spring/PersonDao.java
new file mode 100644
index 0000000000..8dde7ed1e0
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/PersonDao.java
@@ -0,0 +1,5 @@
+package com.baeldung.di.spring;
+
+public interface PersonDao {
+
+}
diff --git a/spring-core/src/main/java/com/baeldung/di/spring/PersonDaoImpl.java b/spring-core/src/main/java/com/baeldung/di/spring/PersonDaoImpl.java
new file mode 100644
index 0000000000..efcc2e0f21
--- /dev/null
+++ b/spring-core/src/main/java/com/baeldung/di/spring/PersonDaoImpl.java
@@ -0,0 +1,8 @@
+package com.baeldung.di.spring;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class PersonDaoImpl implements PersonDao {
+
+}
\ No newline at end of file
diff --git a/guice/src/main/java/com/baeldung/examples/spring/SpringBeansConfig.java b/spring-core/src/main/java/com/baeldung/di/spring/SpringBeansConfig.java
similarity index 64%
rename from guice/src/main/java/com/baeldung/examples/spring/SpringBeansConfig.java
rename to spring-core/src/main/java/com/baeldung/di/spring/SpringBeansConfig.java
index ef0c23142c..4cb6943fc9 100644
--- a/guice/src/main/java/com/baeldung/examples/spring/SpringBeansConfig.java
+++ b/spring-core/src/main/java/com/baeldung/di/spring/SpringBeansConfig.java
@@ -1,11 +1,8 @@
-package com.baeldung.examples.spring;
+package com.baeldung.di.spring;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
-import com.baeldung.examples.common.AudioBookService;
-import com.baeldung.examples.common.AudioBookServiceImpl;
-
@Configuration
public class SpringBeansConfig {
diff --git a/guice/src/main/java/com/baeldung/examples/spring/SpringMainConfig.java b/spring-core/src/main/java/com/baeldung/di/spring/SpringMainConfig.java
similarity index 66%
rename from guice/src/main/java/com/baeldung/examples/spring/SpringMainConfig.java
rename to spring-core/src/main/java/com/baeldung/di/spring/SpringMainConfig.java
index 1ced22288f..75066fd539 100644
--- a/guice/src/main/java/com/baeldung/examples/spring/SpringMainConfig.java
+++ b/spring-core/src/main/java/com/baeldung/di/spring/SpringMainConfig.java
@@ -1,16 +1,13 @@
-package com.baeldung.examples.spring;
+package com.baeldung.di.spring;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
-import com.baeldung.examples.common.BookService;
-import com.baeldung.examples.common.BookServiceImpl;
-
@Configuration
@Import({ SpringBeansConfig.class })
-@ComponentScan("com.baeldung.examples")
+@ComponentScan("com.baeldung.di.spring")
public class SpringMainConfig {
@Bean
diff --git a/guice/src/main/java/com/baeldung/examples/spring/SpringPersonService.java b/spring-core/src/main/java/com/baeldung/di/spring/SpringPersonService.java
similarity index 81%
rename from guice/src/main/java/com/baeldung/examples/spring/SpringPersonService.java
rename to spring-core/src/main/java/com/baeldung/di/spring/SpringPersonService.java
index 1ab5642f31..b85c749982 100644
--- a/guice/src/main/java/com/baeldung/examples/spring/SpringPersonService.java
+++ b/spring-core/src/main/java/com/baeldung/di/spring/SpringPersonService.java
@@ -1,10 +1,8 @@
-package com.baeldung.examples.spring;
+package com.baeldung.di.spring;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
-import com.baeldung.examples.common.PersonDao;
-
@Component
public class SpringPersonService {
diff --git a/guice/src/main/java/com/baeldung/examples/spring/UserService.java b/spring-core/src/main/java/com/baeldung/di/spring/UserService.java
similarity index 77%
rename from guice/src/main/java/com/baeldung/examples/spring/UserService.java
rename to spring-core/src/main/java/com/baeldung/di/spring/UserService.java
index 4173ef8208..330d7f7448 100644
--- a/guice/src/main/java/com/baeldung/examples/spring/UserService.java
+++ b/spring-core/src/main/java/com/baeldung/di/spring/UserService.java
@@ -1,10 +1,8 @@
-package com.baeldung.examples.spring;
+package com.baeldung.di.spring;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
-import com.baeldung.examples.common.AccountService;
-
@Component
public class UserService {
diff --git a/guice/src/test/java/com/baeldung/examples/SpringUnitTest.java b/spring-core/src/test/java/com/baeldung/di/spring/SpringUnitTest.java
similarity index 88%
rename from guice/src/test/java/com/baeldung/examples/SpringUnitTest.java
rename to spring-core/src/test/java/com/baeldung/di/spring/SpringUnitTest.java
index 64e1eedcac..7df8dfac89 100644
--- a/guice/src/test/java/com/baeldung/examples/SpringUnitTest.java
+++ b/spring-core/src/test/java/com/baeldung/di/spring/SpringUnitTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.examples;
+package com.baeldung.di.spring;
import static org.junit.Assert.assertNotNull;
@@ -9,12 +9,6 @@ import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
-import com.baeldung.examples.common.AudioBookService;
-import com.baeldung.examples.common.BookService;
-import com.baeldung.examples.spring.SpringMainConfig;
-import com.baeldung.examples.spring.SpringPersonService;
-import com.baeldung.examples.spring.UserService;
-
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = { SpringMainConfig.class })
public class SpringUnitTest {