diff --git a/w5/Bike.class b/w5/Bike.class
new file mode 100644
index 0000000..0c795c1
Binary files /dev/null and b/w5/Bike.class differ
diff --git a/w5/Car.class b/w5/Car.class
new file mode 100644
index 0000000..cdef448
Binary files /dev/null and b/w5/Car.class differ
diff --git a/w5/TestVehicle.class b/w5/TestVehicle.class
new file mode 100644
index 0000000..c178fe6
Binary files /dev/null and b/w5/TestVehicle.class differ
diff --git a/w5/org.eclipse.core.resources.prefs b/w5/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..4824b80
--- /dev/null
+++ b/w5/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/w5/org.eclipse.jdt.core.prefs b/w5/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..5d14838
--- /dev/null
+++ b/w5/org.eclipse.jdt.core.prefs
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17