diff --git a/src/de/dhbwstuttgart/syntaxtree/ASTVisitor.java b/src/de/dhbwstuttgart/syntaxtree/ASTVisitor.java
index d7527634..fde9fc83 100644
--- a/src/de/dhbwstuttgart/syntaxtree/ASTVisitor.java
+++ b/src/de/dhbwstuttgart/syntaxtree/ASTVisitor.java
@@ -4,6 +4,7 @@ import de.dhbwstuttgart.syntaxtree.statement.*;
 import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
 import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
 import de.dhbwstuttgart.syntaxtree.type.*;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
 
 public interface ASTVisitor extends StatementVisitor{
 
@@ -21,6 +22,8 @@ public interface ASTVisitor extends StatementVisitor{
 
     void visit(Method field);
 
+    void visit(Constructor field);
+
     void visit(ParameterList formalParameters);
 
     void visit(ClassOrInterface classOrInterface);
diff --git a/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java b/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
index bb200559..420b8257 100644
--- a/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
+++ b/src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
@@ -9,6 +9,10 @@ import java.lang.reflect.Modifier;
 import java.util.Iterator;
 
 public abstract class AbstractASTWalker implements ASTVisitor{
+    @Override
+    public void visit(Constructor cons) {
+        visitMethod(cons);
+    }
 
     @Override
     public void visit(SourceFile sourceFile) {
@@ -51,6 +55,10 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     @Override
     public void visit(Method method) {
+        visitMethod(method);
+    }
+
+    private void visitMethod(Method method){
         method.getType().accept(this);
         method.getParameterList().accept(this);
         method.block.accept(this);
diff --git a/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java b/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
index 1604c8c5..1733a3ac 100755
--- a/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
+++ b/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
@@ -82,7 +82,7 @@ public class ClassOrInterface extends SyntaxTreeNode {
     return this.genericClassParameters;
   }
 
-  public List<? extends Method> getConstructors() {
+  public List<Constructor> getConstructors() {
     return constructors;
   }
 
diff --git a/src/de/dhbwstuttgart/syntaxtree/Constructor.java b/src/de/dhbwstuttgart/syntaxtree/Constructor.java
index a56a37b0..219aeefe 100644
--- a/src/de/dhbwstuttgart/syntaxtree/Constructor.java
+++ b/src/de/dhbwstuttgart/syntaxtree/Constructor.java
@@ -2,6 +2,10 @@ package de.dhbwstuttgart.syntaxtree;
 
 import de.dhbwstuttgart.syntaxtree.statement.Statement;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
+import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.typeAlgo.TYPE;
 import org.antlr.v4.runtime.Token;
 
 import de.dhbwstuttgart.syntaxtree.statement.Block;
@@ -23,4 +27,17 @@ public class Constructor extends Method {
 		this.fieldInitializations = fieldInitializations;
 	}
 
+	public ConstraintSet getConstraints(TypeInferenceInformation info, ClassOrInterface currentClass) {
+		TypeInferenceBlockInformation blockInfo = new TypeInferenceBlockInformation(info.getAvailableClasses(), currentClass, null);
+		TYPE methodScope = new TYPE(blockInfo);
+		for(Statement stmt : fieldInitializations)stmt.accept(methodScope);
+		ConstraintSet ret = super.getConstraints(info, currentClass);
+		ret.addAll(methodScope.getConstraints());
+		return ret;
+	}
+
+	@Override
+	public void accept(ASTVisitor visitor) {
+		visitor.visit(this);
+	}
 }
diff --git a/src/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java b/src/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
index 7e58fd3f..0adac8a8 100644
--- a/src/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
+++ b/src/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
@@ -87,6 +87,14 @@ public class OutputGenerator implements ASTVisitor {
         out.append("\n");
     }
 
+    @Override
+    public void visit(Constructor method) {
+        out.append(method.getName());
+        method.getParameterList().accept(this);
+        method.block.accept(this);
+        out.append("\n");
+    }
+
     @Override
     public void visit(ParameterList formalParameters) {
         out.append("(");
@@ -121,6 +129,11 @@ public class OutputGenerator implements ASTVisitor {
             m.accept(this);
             out.append("\n");
         }
+        for(Constructor m : classOrInterface.getConstructors()){
+            out.append(tabs);
+            m.accept(this);
+            out.append("\n");
+        }
         untab();
         out.append("}");
     }