new testing project

core-java-8/src/main/resources/logback.xml

@@ -0,0 +1,16 @@
+<configuration>
+
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>web - %date [%thread] %-5level %logger{36} - %message%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <!-- <logger name="org.springframework" level="WARN" /> -->
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+</configuration>

core-java-8/src/main/webapp/WEB-INF/api-servlet.xml

@@ -0,0 +1,6 @@
+<?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-3.2.xsd" >
+
+</beans>

core-java-8/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	xsi:schemaLocation="
+      http://java.sun.com/xml/ns/javaee
+      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	id="WebApp_ID" version="3.0">
+
+	<display-name>Spring MVC Application</display-name>
+
+	<!-- Spring root -->
+	<context-param>
+		<param-name>contextClass</param-name>
+		<param-value>
+        	org.springframework.web.context.support.AnnotationConfigWebApplicationContext
+      	</param-value>
+	</context-param>
+	<context-param>
+		<param-name>contextConfigLocation</param-name>
+		<param-value>org.baeldung.config</param-value>
+	</context-param>
+
+	<listener>
+		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
+	</listener>
+
+	<!-- Spring child -->
+	<servlet>
+		<servlet-name>api</servlet-name>
+		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
+		<load-on-startup>1</load-on-startup>
+	</servlet>
+	<servlet-mapping>
+		<servlet-name>api</servlet-name>
+		<url-pattern>/</url-pattern>
+	</servlet-mapping>
+
+	<welcome-file-list>
+		<welcome-file />
+	</welcome-file-list>
+
+</web-app>

core-java-8/src/test/java/org/baeldung/java/CoreJavaUnitTest.java

@@ -0,0 +1,52 @@
+package org.baeldung.java;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.commons.collections4.ListUtils;
+import org.junit.Test;
+
+import com.google.common.collect.ImmutableList;
+
+public class CoreJavaUnitTest {
+
+    // tests -
+
+    @Test
+    public final void givenUsingTheJdk_whenArrayListIsSynchronized_thenCorrect() {
+        final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
+        final List<String> synchronizedList = Collections.synchronizedList(list);
+        System.out.println("Synchronized List is: " + synchronizedList);
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public final void givenUsingTheJdk_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
+        final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
+        final List<String> unmodifiableList = Collections.unmodifiableList(list);
+        unmodifiableList.add("four");
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public final void givenUsingGuava_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
+        final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
+        final List<String> unmodifiableList = ImmutableList.copyOf(list);
+        unmodifiableList.add("four");
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public final void givenUsingGuavaBuilder_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
+        final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
+        final ImmutableList<Object> unmodifiableList = ImmutableList.builder().addAll(list).build();
+        unmodifiableList.add("four");
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public final void givenUsingCommonsCollections_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
+        final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
+        final List<String> unmodifiableList = ListUtils.unmodifiableList(list);
+        unmodifiableList.add("four");
+    }
+
+}

core-java-8/src/test/resources/.gitignore

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+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear