code example in README.md

README.md

@@ -3,3 +3,26 @@ compiles java 'opcode' to bytecode.
 
 project status: early stage
 * At this moment a complete compile cycle is guaranteed (unittested) for a really simple class. 
+
+```
+BeeSource createEmptyClass() throws ClassNotFoundException {
+        return BeeSource.builder()
+                .withClassFileVersion(Version.V14)
+                .withPackage("nl.sander.beejava.test")
+                .withAccessFlags(PUBLIC, SUPER)
+                .withSimpleName("EmptyBean")
+                .withSuperClass(Object.class) // Not mandatory, like in java sourcecode
+                .withConstructors(createDefaultConstructor()) // There's no default constructor in beejava. The user must always add them
+                .build();
+    }
+
+BeeConstructor createDefaultConstructor() throws ClassNotFoundException {
+        return BeeConstructor.builder()
+                .withAccessFlags(MethodAccessFlags.PUBLIC)
+                .withCode(
+                        line(0, LD_VAR, Ref.THIS),
+                        line(1, INVOKE, Ref.SUPER, "<init>", "()"),
+                        line(5, RETURN))
+                .build();
+    }
+```