diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
index fe825b0..04b73eb 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
+++ b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
@@ -110,4 +110,8 @@
 	public void setClearText(boolean clearText) {
 		this.clearText = clearText;
 	}
+	
+	public void emptyMethod() {
+		System.out.println("This is not empty method :-)");
+	}
 }
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Divide.java b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Divide.java
new file mode 100644
index 0000000..88968a4
--- /dev/null
+++ b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Divide.java
@@ -0,0 +1,20 @@
+package org.eclipse.example.calc.internal.operations;
+
+import org.eclipse.example.calc.BinaryOperation;
+
+public class Divide extends AbstractOperation implements BinaryOperation {
+
+	@Override
+	public String getName() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public float perform(float arg1, float arg2) {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+	
+
+}