the Bean project and its interfaces

Calculator-Bean/.classpath

+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="ejbModule"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/java">
+		<attributes>
+			<attribute name="owner.project.facets" value="java"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.jboss.ide.eclipse.as.core.server.runtime.runtimeTarget/WildFly 9.x Runtime">
+		<attributes>
+			<attribute name="owner.project.facets" value="jst.ejb"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
+	<classpathentry kind="output" path="build/classes"/>
+</classpath>

Calculator-Bean/.gitignore

+/build/

Calculator-Bean/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Calculator-Bean</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.jboss.tools.jst.web.kb.kbbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.jboss.tools.cdi.core.cdibuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
+		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.jboss.tools.jst.web.kb.kbnature</nature>
+		<nature>org.jboss.tools.cdi.core.cdinature</nature>
+	</natures>
+</projectDescription>

Calculator-Bean/.settings/org.eclipse.jdt.core.prefs

+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

Calculator-Bean/.settings/org.eclipse.wst.common.component

+<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
+    <wb-module deploy-name="Calculator-Bean">
+        <wb-resource deploy-path="/" source-path="/ejbModule" tag="defaultRootSource"/>
+        <property name="java-output-path" value="/Calculator-Bean/build/classes"/>
+    </wb-module>
+</project-modules>

Calculator-Bean/.settings/org.eclipse.wst.common.project.facet.core.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <runtime name="WildFly 9.x Runtime"/>
+  <fixed facet="jst.ejb"/>
+  <fixed facet="java"/>
+  <installed facet="java" version="1.8"/>
+  <installed facet="jst.ejb" version="3.2"/>
+</faceted-project>

Calculator-Bean/ejbModule/META-INF/MANIFEST.MF

+Manifest-Version: 1.0
+Class-Path: 
+

Calculator-Bean/ejbModule/br/ufrn/imd/imd0409/calculator/bean/CalculatorCommonBusiness.java

+/**
+ * 
+ */
+package br.ufrn.imd.imd0409.calculator.bean;
+
+/**
+ * @author kaduardo
+ *
+ */
+public interface CalculatorCommonBusiness {
+	public int add(int... arguments);
+}

Calculator-Bean/ejbModule/br/ufrn/imd/imd0409/calculator/bean/CalculatorLocalBusiness.java

+/**
+ * 
+ */
+package br.ufrn.imd.imd0409.calculator.bean;
+
+/**
+ * @author kaduardo
+ *
+ */
+public interface CalculatorLocalBusiness extends CalculatorCommonBusiness {
+
+}

Calculator-Bean/ejbModule/br/ufrn/imd/imd0409/calculator/bean/CalculatorRemoteBusiness.java

+/**
+ * 
+ */
+package br.ufrn.imd.imd0409.calculator.bean;
+
+/**
+ * @author kaduardo
+ *
+ */
+public interface CalculatorRemoteBusiness extends CalculatorCommonBusiness {
+
+}