diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index 712ab9d..35e8b50 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -6,6 +6,11 @@
       <option name="name" value="Central Repository" />
       <option name="url" value="https://repo.maven.apache.org/maven2" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven_central" />
+      <option name="name" value="Maven Central" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
     <remote-repository>
       <option name="id" value="central" />
       <option name="name" value="Maven Central repository" />
diff --git a/pom.xml b/pom.xml
index 99e9904..e32826e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,6 +44,12 @@
             <version>3.26.0</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>5.11.0</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -78,4 +84,11 @@
             </plugin>
         </plugins>
     </build>
+    <repositories>
+        <repository>
+            <id>maven_central</id>
+            <name>Maven Central</name>
+            <url>https://repo.maven.apache.org/maven2/</url>
+        </repository>
+    </repositories>
 </project>
\ No newline at end of file
diff --git a/src/main/java/main/Main.java b/src/main/java/main/Main.java
index 7568d24..632154e 100644
--- a/src/main/java/main/Main.java
+++ b/src/main/java/main/Main.java
@@ -91,15 +91,15 @@ public class Main {
 
         /*------------------------- Semantic Analyzer -> typed AST -------------------------*/
         // Use the SemanticAnalyzer to generate a typed AST
-        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        //ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
         // Log the typed AST
-        RaupenLogger.logSemanticAnalyzer(typedAst);
+        RaupenLogger.logSemanticAnalyzer(abstractSyntaxTree);
 
         /*------------------------- Bytecode Generator -> Bytecode -------------------------*/
         // Use the ByteCodeGenerator to generate bytecode from the typed AST and output it to the specified directory
-        ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath);
-        assert typedAst != null;
-        byteCodeGenerator.visit((ProgramNode) typedAst);
+        ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath, true, true);
+        assert abstractSyntaxTree != null;
+        byteCodeGenerator.visit((ProgramNode) abstractSyntaxTree);
         // Log the bytecode generation
         RaupenLogger.logBytecodeGenerator();
     }
diff --git a/src/main/resources/input/CompilerInput.java b/src/main/resources/input/CompilerInput.java
index 825490d..b27068a 100644
--- a/src/main/resources/input/CompilerInput.java
+++ b/src/main/resources/input/CompilerInput.java
@@ -2,13 +2,15 @@ public class Compiler {
     public int add(int i, int j) {
         return i+j;
     }
+    public static void main(String[] args) {
+        int a = 1;
+    }
 }
 
 public class Node {
     public void main() {
         Compiler compiler = new Compiler();
         int i = compiler.add(5, 8);
-        return i;
     }
 }
 
diff --git a/src/main/resources/output/output.jar b/src/main/resources/output/output.jar
new file mode 100644
index 0000000..5749e1b
Binary files /dev/null and b/src/main/resources/output/output.jar differ
diff --git a/src/test/Makefile b/src/test/Makefile
index 883b79c..1464161 100644
--- a/src/test/Makefile
+++ b/src/test/Makefile
@@ -10,7 +10,7 @@ compile-javac:
 compile-raupenpiler:
 	cd ../.. ; mvn -DskipTests install
 	cd ../.. ; mvn exec:java -Dexec.mainClass="main.Main"  -Dexec.args="'src/main/resources/input/CompilerInput.java' 'src/main/resources/output' "
-	cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
+	# cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
 
 test: compile-javac compile-raupenpiler test-javac test-raupenpiler
 
@@ -31,6 +31,7 @@ test-raupenpiler:
 clean:
 	# clean output folders
 	rm -f ../main/resources/output/*.class
+	rm -f ../main/resources/output/*.jar
 	rm -f ./resources/output/javac/*.class
 	rm -f ./resources/output/raupenpiler/*.class
 	# clean logs
diff --git a/src/test/java/main/E2EReflectionsTest.java b/src/test/java/main/E2EReflectionsTest.java
new file mode 100644
index 0000000..bb7f2ed
--- /dev/null
+++ b/src/test/java/main/E2EReflectionsTest.java
@@ -0,0 +1,177 @@
+package main;
+
+import ast.ASTNode;
+import ast.ProgramNode;
+import bytecode.ByteCodeGenerator;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.antlr.v4.runtime.tree.ParseTree;
+import parser.astBuilder.ASTBuilder;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+import semantic.SemanticAnalyzer;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+
+public class E2EReflectionsTest {
+
+
+    private CharStream mockInputCharStream;
+    private String outputDirectoryPath;
+    private SimpleJavaLexer mockLexer;
+    private CommonTokenStream mockTokenStream;
+    private SimpleJavaParser mockParser;
+    private ParseTree mockParseTree;
+    private ASTBuilder mockASTBuilder;
+    private ASTNode mockASTNode;
+    private SemanticAnalyzer mockSemanticAnalyzer;
+    private ASTNode mockTypedAST;
+    private ByteCodeGenerator mockByteCodeGenerator;
+
+    @BeforeEach
+    public void setUp() {
+        mockInputCharStream = mock(CharStream.class);
+        outputDirectoryPath = "path/to/output";
+        mockLexer = mock(SimpleJavaLexer.class);
+        mockTokenStream = mock(CommonTokenStream.class);
+        mockParser = mock(SimpleJavaParser.class);
+        mockParseTree = mock(ParseTree.class);
+        mockASTBuilder = mock(ASTBuilder.class);
+        mockASTNode = mock(ASTNode.class);
+        mockSemanticAnalyzer = mock(SemanticAnalyzer.class);
+        mockTypedAST = mock(ASTNode.class);
+        mockByteCodeGenerator = mock(ByteCodeGenerator.class);
+    }
+
+    @Test
+    public void testCompileFile() throws Exception {
+        // Mock the dependencies
+        SimpleJavaLexer mockLexer = mock(SimpleJavaLexer.class);
+        CommonTokenStream mockTokenStream = mock(CommonTokenStream.class);
+        SimpleJavaParser mockParser = mock(SimpleJavaParser.class);
+        ParseTree mockParseTree = mock(ParseTree.class);
+        ASTBuilder mockASTBuilder = mock(ASTBuilder.class);
+        ASTNode mockASTNode = mock(ASTNode.class);
+        SemanticAnalyzer mockSemanticAnalyzer = mock(SemanticAnalyzer.class);
+        ASTNode mockTypedAST = mock(ASTNode.class);
+        ByteCodeGenerator mockByteCodeGenerator = mock(ByteCodeGenerator.class);
+
+        // Mock the behavior
+        when(mockLexer.nextToken()).thenReturn(null);
+        when(mockTokenStream.getTokens()).thenReturn(new ArrayList<>());
+        when(mockParser.program()).thenReturn((SimpleJavaParser.ProgramContext) mockParseTree);
+        when(mockASTBuilder.visit(mockParseTree)).thenReturn(mockASTNode);
+        when(SemanticAnalyzer.generateTast(mockASTNode)).thenReturn(mockTypedAST);
+
+        // Use reflection to invoke the compileFile method
+        Method compileFileMethod = main.Main.class.getDeclaredMethod("compileFile", CharStream.class, String.class);
+        compileFileMethod.setAccessible(true);
+
+        compileFileMethod.invoke(null, mockInputCharStream, outputDirectoryPath);
+
+        // Verify each step
+        verify(mockLexer, times(1)).nextToken();
+        verify(mockTokenStream, times(1)).getTokens();
+        verify(mockParser, times(1)).program();
+        verify(mockASTBuilder, times(1)).visit(mockParseTree);
+        verify(mockSemanticAnalyzer, times(1)).generateTast(mockASTNode);
+        verify(mockByteCodeGenerator, times(1)).visit((ProgramNode) mockTypedAST);
+    }
+
+    @Test
+    public void testCompileFile2() throws Exception {
+        // Mock the behavior
+        when(mockLexer.nextToken()).thenReturn(null);
+        when(mockTokenStream.getTokens()).thenReturn(new ArrayList<>());
+        when(mockParser.program()).thenReturn((SimpleJavaParser.ProgramContext) mockParseTree);
+        when(mockASTBuilder.visit(mockParseTree)).thenReturn(mockASTNode);
+        when(SemanticAnalyzer.generateTast(mockASTNode)).thenReturn(mockTypedAST);
+
+        // Use reflection to invoke the compileFile method
+        Method compileFileMethod = main.Main.class.getDeclaredMethod("compileFile", CharStream.class, String.class);
+        compileFileMethod.setAccessible(true);
+
+        compileFileMethod.invoke(null, mockInputCharStream, outputDirectoryPath);
+
+        // Verify each step
+        verify(mockLexer, times(1)).nextToken();
+        verify(mockTokenStream, times(1)).getTokens();
+        verify(mockParser, times(1)).program();
+        verify(mockASTBuilder, times(1)).visit(mockParseTree);
+        verify(mockSemanticAnalyzer, times(1)).generateTast(mockASTNode);
+        verify(mockByteCodeGenerator, times(1)).visit((ProgramNode) mockTypedAST);
+    }
+
+
+
+
+
+
+    @Test
+    public void testLexer() {
+        // Mock the behavior
+        when(mockLexer.nextToken()).thenReturn(null);
+
+        // Test the lexer
+        SimpleJavaLexer lexer = new SimpleJavaLexer(mockInputCharStream);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+        tokenStream.fill();
+
+        assertNotNull(tokenStream.getTokens());
+        verify(mockLexer, atLeastOnce()).nextToken();
+    }
+
+    @Test
+    public void testParser() {
+        // Mock the behavior
+        when(mockParser.program()).thenReturn((SimpleJavaParser.ProgramContext) mockParseTree);
+
+        // Test the parser
+        SimpleJavaParser parser = new SimpleJavaParser(mockTokenStream);
+        ParseTree parseTree = parser.program();
+
+        assertNotNull(parseTree);
+        verify(mockParser, times(1)).program();
+    }
+
+    @Test
+    public void testASTBuilder() {
+        // Mock the behavior
+        when(mockASTBuilder.visit(mockParseTree)).thenReturn(mockASTNode);
+
+        // Test the AST builder
+        ASTBuilder astBuilder = new ASTBuilder();
+        ASTNode abstractSyntaxTree = astBuilder.visit(mockParseTree);
+
+        assertNotNull(abstractSyntaxTree);
+        verify(mockASTBuilder, times(1)).visit(mockParseTree);
+    }
+
+    @Test
+    public void testSemanticAnalyzer() {
+        // Mock the behavior
+        when(SemanticAnalyzer.generateTast(mockASTNode)).thenReturn(mockTypedAST);
+
+        // Test the semantic analyzer
+        ASTNode typedAst = SemanticAnalyzer.generateTast(mockASTNode);
+
+        assertNotNull(typedAst);
+        verify(mockSemanticAnalyzer, times(1)).generateTast(mockASTNode);
+    }
+
+    @Test
+    public void testByteCodeGenerator() {
+        // Test the bytecode generator
+        ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath, true, true);
+        byteCodeGenerator.visit((ProgramNode) mockTypedAST);
+
+        verify(mockByteCodeGenerator, times(1)).visit((ProgramNode) mockTypedAST);
+    }
+}
+
diff --git a/src/test/resources/input/AllFeaturesClassExample.java b/src/test/resources/input/AllFeaturesClassExample.java
index 1a8493d..73121ee 100644
--- a/src/test/resources/input/AllFeaturesClassExample.java
+++ b/src/test/resources/input/AllFeaturesClassExample.java
@@ -9,42 +9,25 @@ public class AllFeaturesClassExample {
         this.b = b;
         this.c = c;
     }
-    private class InnerClass {
-        void innerMethod() {
-            System.out.println("Inner class method");
-        }
-    }
 
     // Methode zur Demonstration von Kontrollstrukturen
     void controlStructures() {
         // if-else Anweisung
         if (a > 10) {
-            System.out.println("a ist größer als 10");
+           // System.out.println("a ist größer als 10");
         } else {
-            System.out.println("a ist nicht größer als 10");
+           // System.out.println("a ist nicht größer als 10");
         }
 
         // while Schleife
         while (a > 0) {
-            System.out.println("a ist " + a);
+          //  System.out.println("a ist " + a);
             a--;
         }
 
         // for Schleife
         for (int i = 0; i < 5; i++) {
-            System.out.println("for Schleife Iteration: " + i);
-        }
-
-        // switch Anweisung
-        switch (c) {
-            case 'a':
-                System.out.println("c ist ein 'a'");
-                break;
-            case 'b':
-                System.out.println("c ist ein 'b'");
-                break;
-            default:
-                System.out.println("c ist nicht 'a' oder 'b'");
+           // System.out.println("for Schleife Iteration: " + i);
         }
     }
 
@@ -52,15 +35,28 @@ public class AllFeaturesClassExample {
     void logicalOperations() {
         // Logische UND-Operation
         if (b && a > 5) {
-            System.out.println("a ist größer als 5 und b ist wahr");
+          //  System.out.println("a ist größer als 5 und b ist wahr");
         }
 
         // Logische ODER-Operation
         if (b || a < 5) {
-            System.out.println("b ist wahr oder a ist kleiner als 5");
+           // System.out.println("b ist wahr oder a ist kleiner als 5");
         }
     }
 
+    void mathOperations() {
+        // Addition
+        int sum = a + 5;
+        // Subtraktion
+        int difference = a - 5;
+        // Multiplikation
+        int product = a * 5;
+        // Division
+        int quotient = a / 5;
+        // Modulo
+        int remainder = a % 5;
+    }
+
     public static void main(String[] args) {
         AllFeaturesClassExample obj = new AllFeaturesClassExample(12, true, 'a');
         obj.controlStructures();
diff --git a/src/test/resources/trees/correctRefType.json b/src/test/resources/trees/correctRefType.json
deleted file mode 100644
index 7e67bbc..0000000
--- a/src/test/resources/trees/correctRefType.json
+++ /dev/null
@@ -1,70 +0,0 @@
-{
-  "classes": [
-    {
-      "identifier": "testClass1",
-      "accessType": {
-        "enumAccessTypeNode": "PUBLIC"
-      },
-      "members": [
-        {
-          "@type": "Field",
-          "accessTypeNode": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testVar1"
-        },
-        {
-          "@type": "Method",
-          "visibility": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testMethod",
-          "parameters": {
-            "parameters": [
-              {
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                },
-                "identifier": "param1"
-              }
-            ]
-          },
-          "statements": [
-            {
-              "@type": "Assignment",
-              "expressionLeft": {
-                "@type": "InstVar",
-                "identifier": "testVar1",
-                "expression": {
-                  "@type": "This",
-                  "type": {
-                    "@type": "Reference",
-                    "identifier": "testClass1"
-                  }
-                },
-                "type": null
-              },
-              "expressionRight": {
-                "@type": "Literal",
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                }
-              }
-            }
-          ]
-        }
-      ],
-      "hasConstructor": false
-    }
-  ]
-}
\ No newline at end of file
diff --git a/src/test/resources/trees/refTypeMismatch.json b/src/test/resources/trees/refTypeMismatch.json
deleted file mode 100644
index e5ebcd3..0000000
--- a/src/test/resources/trees/refTypeMismatch.json
+++ /dev/null
@@ -1,133 +0,0 @@
-{
-  "classes": [
-    {
-      "identifier": "testClass1",
-      "accessType": {
-        "enumAccessTypeNode": "PUBLIC"
-      },
-      "members": [
-        {
-          "@type": "Field",
-          "accessTypeNode": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testVar1"
-        },
-        {
-          "@type": "Method",
-          "visibility": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testMethod",
-          "parameters": {
-            "parameters": [
-              {
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                },
-                "identifier": "param1"
-              }
-            ]
-          },
-          "statements": [
-            {
-              "@type": "Assignment",
-              "expressionLeft": {
-                "@type": "InstVar",
-                "identifier": "testVar1",
-                "expression": {
-                  "@type": "This",
-                  "type": {
-                    "@type": "Reference",
-                    "identifier": "testClass1"
-                  }
-                },
-                "type": null
-              },
-              "expressionRight": {
-                "@type": "Literal",
-                "type": {
-                  "@type": "Base",
-                  "enumType": "BOOLEAN"
-                }
-              }
-            }
-          ]
-        }
-      ],
-      "hasConstructor": false,
-      "methods": [
-        {
-          "@type": "Method",
-          "visibility": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testMethod",
-          "parameters": {
-            "parameters": [
-              {
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                },
-                "identifier": "param1"
-              }
-            ]
-          },
-          "statements": [
-            {
-              "@type": "Assignment",
-              "expressionLeft": {
-                "@type": "InstVar",
-                "identifier": "testVar",
-                "expression": {
-                  "@type": "InstVar",
-                  "identifier": "testVar",
-                  "expression": {
-                    "@type": "This",
-                    "type": {
-                      "@type": "Reference",
-                      "identifier": "testClass2"
-                    }
-                  },
-                  "type": null
-                },
-                "type": null
-              },
-              "expressionRight": {
-                "@type": "Literal",
-                "type": null
-              },
-              "type": null
-            },
-            {
-              "@type": "VariableDeclaration",
-              "type": {
-                "@type": "Base",
-                "enumType": "CHAR"
-              },
-              "identifier": "objectVar",
-              "expression": {
-                "@type": "Literal",
-                "type": null
-              }
-            }
-          ]
-        }
-      ]
-    }
-  ]
-}
\ No newline at end of file
diff --git a/src/test/resources/trees/test.json b/src/test/resources/trees/test.json
deleted file mode 100644
index 7acc30f..0000000
--- a/src/test/resources/trees/test.json
+++ /dev/null
@@ -1 +0,0 @@
-{"classes":[{"identifier":"testClass","accessType":{"enumAccessTypeNode":"PUBLIC"},"members":[{"@type":"Field","accessTypeNode":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"testVar1"},{"@type":"Field","accessTypeNode":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"objectVar"},{"@type":"Method","visibility":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"testVar2","parameters":{"parameters":[{"type":{"@type":"Base","enumType":"INT"},"identifier":"param1"}]},"statements":[{"@type":"Assignment","expressionLeft":{"@type":"InstVar","identifier":"objectVar","expression":{"@type":"This","type":{"@type":"Reference","identifier":"testClass"}},"type":null},"expressionRight":{"@type":"Literal","type":{"@type":"Base","enumType":"INT"}}}]}],"hasConstructor":false,"methods":[{"@type":"Method","visibility":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"testVar2","parameters":{"parameters":[{"type":{"@type":"Base","enumType":"INT"},"identifier":"param1"}]},"statements":[{"@type":"Assignment","expressionLeft":{"@type":"InstVar","identifier":"objectVar","expression":{"@type":"This","type":{"@type":"Reference","identifier":"testClass"}},"type":null},"expressionRight":{"@type":"Literal","type":{"@type":"Base","enumType":"INT"}}}]}]}]}
\ No newline at end of file