diff --git a/src/de/dhbwstuttgart/parser/PackageCrawler.java b/src/de/dhbwstuttgart/parser/PackageCrawler.java
index 007b4736..18bcd444 100644
--- a/src/de/dhbwstuttgart/parser/PackageCrawler.java
+++ b/src/de/dhbwstuttgart/parser/PackageCrawler.java
@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.parser;
 
+import de.dhbwstuttgart.typecheck.JavaClassName;
 import org.reflections.Reflections;
 import org.reflections.scanners.ResourcesScanner;
 import org.reflections.scanners.SubTypesScanner;
@@ -34,11 +35,12 @@ public class PackageCrawler {
         return classes;
     }
     
-  public static List<String> getClassNames(String packageName){
-    List<String> nameList = new ArrayList();
+  // Returns a list of JavaClassNames.
+  public static List<JavaClassName> getClassNames(String packageName){
+    List<JavaClassName> nameList = new ArrayList();
     Set<Class<?>> classes = getClassesInPackage(packageName);
     for(Class c : classes){
-      nameList.add(c.getName());
+      nameList.add(new JavaClassName(c.getName()));
     }
     return nameList;
   }
diff --git a/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator.java b/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator.java
index c5cdbb47..c6fbf871 100644
--- a/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator.java
+++ b/src/de/dhbwstuttgart/parser/SyntaxTreeGenerator.java
@@ -14,6 +14,7 @@ import de.dhbwstuttgart.typecheck.*;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.lang.ClassNotFoundException;
 
 import org.antlr.v4.runtime.Token;
 import org.antlr.v4.runtime.tree.TerminalNode;
@@ -82,6 +83,65 @@ public class SyntaxTreeGenerator{
     return this.reg;
   }
 
+  // Converts type name to String.
+  public String convertTypeName(Java8Parser.TypeNameContext ctx){
+    String ret;
+    if(ctx.packageOrTypeName() == null){
+      ret = ctx.Identifier().toString();
+    }
+    else{
+      ret = convertPackageOrTypeName(ctx.packageOrTypeName()) + "." + ctx.Identifier().toString();
+    }
+    return ret;
+  }
+  
+  // Converts PackageOrTypeName to String.
+  public String convertPackageOrTypeName(Java8Parser.PackageOrTypeNameContext ctx){
+    String ret;
+    if(ctx.packageOrTypeName() == null){
+      ret = ctx.Identifier().toString();
+    }
+    else{
+      ret = convertPackageOrTypeName(ctx.packageOrTypeName()) + "." + ctx.Identifier().toString();
+    }
+    return ret;
+  }
+  
+  public void setImports(Java8Parser.CompilationUnitContext ctx){
+    List<JavaClassName> newImports = new ArrayList();
+    for(Java8Parser.ImportDeclarationContext importDeclCtx : ctx.importDeclaration()){
+      if(importDeclCtx.singleTypeImportDeclaration() != null){
+        newImports.add(convertSingleTypeImportDeclaration(importDeclCtx.singleTypeImportDeclaration()));
+      }
+      else if(importDeclCtx.typeImportOnDemandDeclaration() != null){
+        newImports.add(convertTypeImportOnDemandDeclaration(importDeclCtx.typeImportOnDemandDeclaration()));
+      }
+      else if(importDeclCtx.singleStaticImportDeclaration() != null){
+        newImports.add(convertSingleStaticImportDeclaration(importDeclCtx.singleStaticImportDeclaration()));
+      }
+      else{
+        newImports.add(convertStaticImportOnDemandDeclaration(importDeclCtx.staticImportOnDemandDeclaration()));
+      }
+    }
+    this.imports.addAll(newImports);
+  }
+  
+  private JavaClassName convertSingleTypeImportDeclaration(Java8Parser.SingleTypeImportDeclarationContext ctx){
+    return null;
+  }
+  
+  private JavaClassName convertTypeImportOnDemandDeclaration(Java8Parser.TypeImportOnDemandDeclarationContext ctx){
+    return null;
+  }
+  
+  private JavaClassName convertSingleStaticImportDeclaration(Java8Parser.SingleStaticImportDeclarationContext ctx){
+    return null;
+  }
+  
+  private JavaClassName convertStaticImportOnDemandDeclaration(Java8Parser.StaticImportOnDemandDeclarationContext ctx){
+    return null;
+  }
+  
   public SourceFile convert(Java8Parser.CompilationUnitContext ctx){
     List<ClassOrInterface> classes = new ArrayList<>();
     this.getNames(ctx);
diff --git a/src/de/dhbwstuttgart/typecheck/JavaClassName.java b/src/de/dhbwstuttgart/typecheck/JavaClassName.java
index f037a5ba..669cd469 100644
--- a/src/de/dhbwstuttgart/typecheck/JavaClassName.java
+++ b/src/de/dhbwstuttgart/typecheck/JavaClassName.java
@@ -15,7 +15,7 @@ public class JavaClassName {
 	private String name;
 	private PackageName packageName;
 
-	JavaClassName(String name){
+	public JavaClassName(String name){
 		if(name == null)throw new NullPointerException();
 		
 		String[] names = name.split("[.]");