diff --git a/src/main/antlr4/astRefactor/astRefactor.g4 b/src/main/antlr4/astRefactor/astRefactor.g4
index ef2fe3b4..838ddac9 100644
--- a/src/main/antlr4/astRefactor/astRefactor.g4
+++ b/src/main/antlr4/astRefactor/astRefactor.g4
@@ -7,10 +7,10 @@ grammar astRefactor;
 class               : ACCESSMODIFIER WHITESPACE CLASS WHITESPACE NAME '(' ( MODIFIER| TYPEPLACEHOLDER ) WHITESPACE NAME ')''{'NEWLINE classbody'}';
 classbody           : ( method NEWLINE | variable NEWLINE )+;
 
-variable            : ACCESSMODIFIER WHITESPACE ( MODIFIER WHITESPACE )? NAME WHITESPACE '=' WHITESPACE ( WORD | NUMBER) ';'
-                    | ACCESSMODIFIER WHITESPACE ( MODIFIER WHITESPACE )? NAME ';';
+variable            : ACCESSMODIFIER WHITESPACE ( MODIFIER | TYPEPLACEHOLDER )WHITESPACE NAME WHITESPACE '=' WHITESPACE ( WORD | NUMBER) ';'
+                    | ACCESSMODIFIER WHITESPACE ( MODIFIER | TYPEPLACEHOLDER ) WHITESPACE NAME ';';
 
-method              : ACCESSMODIFIER WHITESPACE ( MODIFIER WHITESPACE )? NAME '(' MODIFIER WHITESPACE WORD ')';
+method              : ACCESSMODIFIER WHITESPACE ( MODIFIER | TYPEPLACEHOLDER ) WHITESPACE NAME '(' ( MODIFIER | TYPEPLACEHOLDER ) WHITESPACE WORD ')';
 
 
 syntaxtreenode: typablestatement | reftypeortphorwildcardorgeneric | methodinterface | fieldinterface | formalparameter | parameterlist | generictypevar | sourcefile | genericdecllist | argumentlist | classorinterface;
diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/SwitchTest.java b/src/main/java/de/dhbwstuttgart/syntaxtree/SwitchTest.java
index 43f6f117..14e0b841 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/SwitchTest.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/SwitchTest.java
@@ -20,9 +20,10 @@ public class SwitchTest {
                 System.out.println("argumentList");
             }
             case ClassOrInterface classOrInterface -> {
-                System.out.println("ClassOrInterface: \n" +
-                        "Modifier = " + classOrInterface.getModifiers() + "\n" +
-                        "Classname = " + classOrInterface.getClassName());
+                int mod = classOrInterface.getModifiers();
+                if (mod == 1) {
+                    System.out.println("ClassOrInterface: \n" + "public PLACEHOLDER " + classOrInterface.getClassName() + "{}");
+                }
             }
             case FormalParameter formalParameter -> {
                 System.out.println("formalParameter");