diff --git a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
index 8425d180..416644aa 100644
--- a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
+++ b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
@@ -1,7 +1,25 @@
 //PL 2018-12-19: typeInferenceOld nach typeInference uebertragen
 package de.dhbwstuttgart.core;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
 import com.google.common.collect.Lists;
+
 import de.dhbwstuttgart.bytecode.BytecodeGen;
 import de.dhbwstuttgart.bytecode.Exception.BytecodeGeneratorError;
 import de.dhbwstuttgart.bytecode.genericsGenerator.GeneratedGenericsFinder;
@@ -11,21 +29,19 @@ import de.dhbwstuttgart.environment.DirectoryClassLoader;
 import de.dhbwstuttgart.exceptions.DebugException;
 import de.dhbwstuttgart.parser.JavaTXParser;
 import de.dhbwstuttgart.parser.NullToken;
-import de.dhbwstuttgart.parser.scope.GenericsRegistry;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.SyntaxTreeGenerator;
 import de.dhbwstuttgart.parser.antlr.Java8Parser.CompilationUnitContext;
+import de.dhbwstuttgart.parser.scope.GenericsRegistry;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
 import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.ParameterList;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
-import de.dhbwstuttgart.syntaxtree.TypeScope;
-import de.dhbwstuttgart.syntaxtree.FormalParameter;
-import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
-import de.dhbwstuttgart.syntaxtree.statement.Block;
 import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
@@ -41,32 +57,17 @@ import de.dhbwstuttgart.typeinference.result.ResultSet;
 import de.dhbwstuttgart.typeinference.typeAlgo.TYPE;
 import de.dhbwstuttgart.typeinference.unify.RuleSet;
 import de.dhbwstuttgart.typeinference.unify.TypeUnify;
+import de.dhbwstuttgart.typeinference.unify.TypeUnifyTask;
+import de.dhbwstuttgart.typeinference.unify.UnifyResultListener;
+import de.dhbwstuttgart.typeinference.unify.UnifyResultListenerImpl;
+import de.dhbwstuttgart.typeinference.unify.UnifyResultModel;
+import de.dhbwstuttgart.typeinference.unify.UnifyTaskModel;
 import de.dhbwstuttgart.typeinference.unify.distributeVariance;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
 import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-import de.dhbwstuttgart.typeinference.unify.TypeUnifyTask;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultListener;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultListenerImpl;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultModel;
-import de.dhbwstuttgart.typeinference.unify.UnifyTaskModel;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.Writer;
-import java.io.OutputStreamWriter;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.util.*;
-import java.util.function.Function;
-import java.util.stream.Collectors;
-
-import org.antlr.v4.runtime.Token;
-import org.apache.commons.io.output.NullOutputStream;
 
 
 public class JavaTXCompiler {
@@ -74,12 +75,13 @@ public class JavaTXCompiler {
 	//public static JavaTXCompiler INSTANCE;
     final CompilationEnvironment environment;
 	Boolean resultmodel = true;
+	// TODO change the AST for replace generics with TPH
     public final Map<File, SourceFile> sourceFiles = new HashMap<>();
     Boolean log = true; //gibt an ob ein Log-File nach System.getProperty("user.dir")+"src/test/java/logFiles" geschrieben werden soll?
     public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
     private final ClassLoader classLoader;
 
-	public JavaTXCompiler(File sourceFile) throws IOException, ClassNotFoundException {
+	public JavaTXCompiler (File... sourceFile) throws IOException, ClassNotFoundException {
 		this(Arrays.asList(sourceFile), null);
 	}
     public JavaTXCompiler(File sourceFile, Boolean log) throws IOException, ClassNotFoundException {
@@ -120,11 +122,11 @@ public class JavaTXCompiler {
 				importedClasses.add(importedClass);
 			}
         }
-        for (File f : this.sourceFiles.keySet()) {
+		for (File f : this.sourceFiles.keySet()) {
 			SourceFile sf = sourceFiles.get(f);
 			sf = new SourceFile(sf.getPkgName(),
 					       sf.KlassenVektor.stream()
-										   .map(cl -> new ClassOrInterface(cl))
+							.map(ClassOrInterface::new)
 							               .collect(Collectors.toCollection(ArrayList::new)),
 						   sf.imports);
 			//sf enthaelt neues Source-File, neue Klassen-Objekte und neue