diff --git a/src/TextInput.java b/src/TextInput.java
index 61192dd..d4abab5 100644
--- a/src/TextInput.java
+++ b/src/TextInput.java
@@ -2,9 +2,13 @@ import java.util.Scanner;
 
 public class TextInput {
 
-    private static final Scanner sc = new Scanner("");
+    private static final Scanner sc = new Scanner(System.in);
 
     public static String[] checkForInput() {
-        return sc.nextLine().split("");
+        return sc.nextLine().split(" ");
+    }
+
+    public static String getTextInput() {
+        return sc.nextLine();
     }
 }
diff --git a/src/TextLogik.java b/src/TextLogik.java
index 58b1ef7..aea3198 100644
--- a/src/TextLogik.java
+++ b/src/TextLogik.java
@@ -2,9 +2,11 @@ import java.util.ArrayList;
 
 public class TextLogik {
     private final Text text;
+    private final TextOutput textOutput;
 
     public TextLogik() {
         text = new Text();
+        textOutput = new TextOutput();
         String[] command;
 
         do {
@@ -12,22 +14,43 @@ public class TextLogik {
 
             switch (command[0]) {
                 case "ADD":
+
+                    if (command.length == 1) {
+                        text.add(TextInput.getTextInput());
+                    } else if (isNumeric(command[1])) {
+                        int line = Integer.parseInt(command[1]);
+
+                        text.add(line, TextInput.getTextInput());
+                    } else {
+                        textOutput.errorInvalidCommand();
+                    }
+
                     break;
                 case "DEL":
+                    // TODO Hier Delete Funktion hinzufügen.
                     break;
                 case "Dummy":
                     text.dummy();
                     break;
                 case "EXIT":
                     break;
-                case "FORMAT RAW":
-                    break;
-                case "FORMAT FIX":
+                case "FORMAT":
+                    if (command.length > 1 && "RAW".equals(command[1])) {
+                        textOutput.formatRaw();
+                    } else if (command.length > 2 && "FIX".equals(command[1]) && isNumeric(command[2])) {
+                        textOutput.formatFix(Integer.parseInt(command[2]));
+                    } else {
+                        textOutput.errorInvalidCommand();
+                    }
+
                     break;
                 case "INDEX":
                     ArrayList<String> Index = text.index();
                     break;
                 case "PRINT":
+
+                    textOutput.print(text.getText());
+
                     break;
                 case "REPLACE":
                     break;
@@ -36,7 +59,11 @@ public class TextLogik {
                     break;
             }
 
-        } while ("EXIT".equals(command[0]));
+        } while (!"EXIT".equals(command[0]));
+    }
+
+    private boolean isNumeric(String str) {
+        return str.matches("\\d+");
     }
 
 }
diff --git a/src/TextOutput.java b/src/TextOutput.java
index f9ccee9..6e957eb 100644
--- a/src/TextOutput.java
+++ b/src/TextOutput.java
@@ -7,8 +7,7 @@ public class TextOutput {
     public void print(ArrayList<String> text) {
         if (formatRaw) {
             printFormated(text);
-        }
-        else {
+        } else {
             printUnformated(text);
         }
     }
@@ -19,6 +18,7 @@ public class TextOutput {
         }
 
     }
+
     private void printUnformated(ArrayList<String> text) {
         for (String paragraph : text) {
             String[] words = paragraph.split(" ");
@@ -39,14 +39,13 @@ public class TextOutput {
                                 currentLength++;
                             }
                         }
-                        if(!(letterLenght == 0)){
+                        if (!(letterLenght == 0)) {
                             System.out.println();
                         }
                     }
                     while (letterLenght >= columnWidth);
 
-                }
-                else {
+                } else {
                     if (word.length() >= columnWidth - currentLength) {
                         currentLength = 0;
                         System.out.println();
@@ -64,9 +63,10 @@ public class TextOutput {
     }
 
     public void formatFix(int length) {
-    formatRaw = false;
-    columnWidth = length;
+        formatRaw = false;
+        columnWidth = length;
     }
+
     public void errorInvalidString() {
         System.err.println("Invalid String");
     }
diff --git a/test/SystemInputTest.java b/test/SystemInputTest.java
deleted file mode 100644
index 9f9b8af..0000000
--- a/test/SystemInputTest.java
+++ /dev/null
@@ -1,2 +0,0 @@
-public class SystemInputTest {
-}
diff --git a/test/TextEditorTest.java b/test/TextEditorTest.java
deleted file mode 100644
index 9e3bd87..0000000
--- a/test/TextEditorTest.java
+++ /dev/null
@@ -1,2 +0,0 @@
-public class TextEditorTest {
-}
diff --git a/test/TextInputTest.java b/test/TextInputTest.java
new file mode 100644
index 0000000..10c5df2
--- /dev/null
+++ b/test/TextInputTest.java
@@ -0,0 +1,10 @@
+import org.junit.jupiter.api.Test;
+
+class TextInputTest {
+
+    @Test
+    public void inputTest() {
+
+    }
+
+}
\ No newline at end of file
diff --git a/test/TextOutputTest.java b/test/TextOutputTest.java
index 341cd8f..0e007ce 100644
--- a/test/TextOutputTest.java
+++ b/test/TextOutputTest.java
@@ -1,18 +1,14 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import javax.swing.*;
-
 import java.util.ArrayList;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 class TextOutputTest {
     TextOutput textOutput;
     ArrayList<String> text;
 
     @BeforeEach
-    public void setup(){
+    public void setup() {
         textOutput = new TextOutput();
         textOutput.formatFix(9);
         textOutput.formatRaw();
@@ -25,10 +21,7 @@ class TextOutputTest {
     }
 
     @Test
-    public void print(){
-    textOutput.print(text);
-
+    public void print() {
+        textOutput.print(text);
     }
-
-
 }
\ No newline at end of file