diff --git a/Source/abstractSyntaxTree/Class/MethodDecl.java b/Source/abstractSyntaxTree/Class/MethodDecl.java
index 5787166..15f96ac 100644
--- a/Source/abstractSyntaxTree/Class/MethodDecl.java
+++ b/Source/abstractSyntaxTree/Class/MethodDecl.java
@@ -26,11 +26,6 @@ public class MethodDecl implements IClass {
         return null;
     }
 
-    @Override
-    public TypeCheckResult typeCheck() throws Exception {
-        return null;
-    }
-
     @Override
     public void codeGen(ClassWriter cw) throws Exception {
 
diff --git a/Source/abstractSyntaxTree/Class/RefType.java b/Source/abstractSyntaxTree/Class/RefType.java
index a0c9fa5..d511e37 100644
--- a/Source/abstractSyntaxTree/Class/RefType.java
+++ b/Source/abstractSyntaxTree/Class/RefType.java
@@ -9,6 +9,7 @@ import abstractSyntaxTree.Program;
 import jdk.jshell.spi.ExecutionControl;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
 
 import java.util.HashMap;
 import java.util.List;
@@ -56,7 +57,18 @@ public class RefType extends AbstractType implements IClass {
     // and method declarations and calls their CodeGen methods
     @Override
     public void codeGen(ClassWriter cw) throws Exception {
-        throw new ExecutionControl.NotImplementedException("CodeGen not implemented for RefType");
+
+        cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, name, null,
+                "java/lang/Object", null);
+
+        for (FieldDecl field : fieldDecls) {
+            field.codeGen(cw);
+        }
+
+        for (MethodDecl method : methodDecls) {
+            method.codeGen(cw);
+        }
+        cw.visitEnd();
     }