Finally it looks right

.vscode/settings.json

@@ -3,5 +3,6 @@
     "java.project.outputPath": "bin",
     "java.project.referencedLibraries": [
         "lib/**/*.jar"
-    ]
+    ],
+    "java.jdt.ls.vmargs": "-XX:+UseParallelGC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true -Xmx4G -Xms100m"
 }

src/Backend/InterruptHandling/InterruptServiceHandler.java

@@ -0,0 +1,12 @@
+package Backend.InterruptHandling;
+
+public class InterruptServiceHandler extends Thread {
+
+    public InterruptServiceHandler() {}
+
+    public void run() {
+
+    }
+
+    
+}

src/Backend/InterruptHandling/InterruptServiceHandlingTable.java

@@ -0,0 +1,19 @@
+package Backend.InterruptHandling;
+
+/**
+ * Class contains methods which calls a method to an overhanded value.
+ */
+public class InterruptServiceHandlingTable {
+
+    private final int ISR_TMR0_OVERFLOW = 1; //tmr0 overflow interrupt
+    private final int INT_RB0 = 2; //External interrupt over int/rb0-pin
+    private final int RB4 = 3; //PortB change interrupts
+    private final int RB5 = 4; //PortB change interrupts
+    private final int RB6 = 5; //PortB change interrupts
+    private final int RB7 = 6; //PortB change interrupts
+    private final int EEPROM_DATA_WRITE = 7;
+
+    public InterruptServiceHandlingTable() {}
+
+
+}

src/Backend/Microcontroller/PIC.java

@@ -8,8 +8,7 @@ package Backend.Microcontroller;
 /** 
  * Microcontrollerclass that contains all other partclasses
  */
-public class PIC 
-{
+public class PIC {
     /**
      * Parts of PIC.
      * Objects are written with a large starting letter.
@@ -19,8 +18,7 @@ public class PIC
     private STACK Stack;
     private int WRegister;
 
-    public PIC()
-    {
+    public PIC() {
         //Initialising objects of PIC.
         Eeprom = new EEPROM();
         Ram = new RAM();
@@ -28,7 +26,7 @@ public class PIC
         WRegister = 0;
     }
 
-    public void resetPIC()
+    public synchronized void resetPIC()
     {
         Ram = new RAM();
         Stack = new STACK();
@@ -61,25 +59,25 @@ public class PIC
     int bitMaskClearBitArray[] = { bitMaskClearBit0, bitMaskClearBit1, bitMaskClearBit2, bitMaskClearBit3, bitMaskClearBit4, bitMaskClearBit5,
                                    bitMaskClearBit6, bitMaskClearBit7};
 
-    public void setWRegister(int value)
+    public synchronized void setWRegister(int value)
     {
         WRegister = value;
     }
 
-    public int get_WRegister()
+    public synchronized int get_WRegister()
     {
         return WRegister;
     }
 
-    public RAM getRam() {
+    public synchronized RAM getRam() {
         return Ram;
     }
 
-    public EEPROM getEeprom() {
+    public synchronized EEPROM getEeprom() {
         return Eeprom;
     }
 
-    public STACK getStack() {
+    public synchronized STACK getStack() {
         return Stack;
     }
 

src/Frontend/PIC_SIMULATOR_GUI_JAVA/GUIMainFrame.java

@@ -1,11 +1,14 @@
 package Frontend.PIC_SIMULATOR_GUI_JAVA;
 
 import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Insets;
 import java.awt.GridBagLayout;
 import java.awt.GridBagConstraints;
 
 import javax.swing.BorderFactory;
 import javax.swing.ImageIcon;
+import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.border.Border;
 
@@ -24,13 +27,11 @@ public class GUIMainFrame extends JFrame {
         this.setTitle("PIC-Simulator GUI"); // sets title of frame
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // if x is pressed, exit application (HIDE_ON_CLOSE-hides application, DO_NOTHING_ON_CLOSE-prevents user from closing application)
         //this.setResizable(false); // prevent frame from beeing resized
-        this.setSize(1200, 840); //sets x and y dimension of frame
+        this.setSize(1400, 800); //sets x and y dimension of frame
+        //this.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
         this.setLayout(new GridBagLayout());
-
         oGUITestFileTable = new GUITestFileTable();
-
         this.setJMenuBar(new GUIMenuBar(env, this, oGUITestFileTable));
-
         this.setVisible(true); //make frame visible
         this.setBackground(new Color(76, 78, 82));
         ImageIcon guiLogo = new ImageIcon("./images/gui_logo.png"); // create an ImageIcon
@@ -50,7 +51,7 @@ public class GUIMainFrame extends JFrame {
         //text.setBackground(Color.BLUE); // set background color
         //text.setOpaque(true); // display background color
 
-        Border border = BorderFactory.createLineBorder(Color.green, 3); // creates border for label, color and size of border
+        //Border border = BorderFactory.createLineBorder(Color.green, 3); // creates border for label, color and size of border
 
         //text.setBorder(border); // sets border of label to "border"
         //text.setVerticalAlignment(JLabel.TOP); // vertically alligns label "text" (JLabel.TOP, JLabel.CENTER, JLabel.BOTTOM)
@@ -60,13 +61,11 @@ public class GUIMainFrame extends JFrame {
 
         //getContentPane().setLayout(new BorderLayout());
         //this.add(new GUITestFileTable("./testfiles/TPicSim1.LST"));
-        GridBagConstraints oGridBagConstraints = new GridBagConstraints();
-        oGridBagConstraints.gridx = 10;
-        oGridBagConstraints.gridy = 10;
-        oGridBagConstraints.gridheight = 10;
-        oGridBagConstraints.gridwidth = 500;
-        oGridBagConstraints.anchor = GridBagConstraints.PAGE_START;
-        this.add(oGUITestFileTable, oGridBagConstraints);
+        GridBagConstraints c = new GridBagConstraints();
+        c.gridx = 0; //next added element will be in column 1
+        c.gridy = 0; //next added element will be in row 1
+        c.insets = new Insets(1,1,1,1);
+        this.add(oGUITestFileTable, c);
         updateWindow();
     }
 

src/Frontend/PIC_SIMULATOR_GUI_JAVA/GUITestFileTable.java

@@ -4,7 +4,7 @@ import java.awt.Dimension;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.GridLayout;
-
+import java.awt.Insets;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -15,6 +15,7 @@ import java.util.ArrayList;
 
 import javax.swing.JCheckBox;
 import javax.swing.JPanel;
+import javax.swing.JScrollBar;
 import javax.swing.JTextField;
 
 public class GUITestFileTable extends JPanel {
@@ -22,64 +23,77 @@ public class GUITestFileTable extends JPanel {
     ArrayList<JCheckBox> oCheckboxes = new ArrayList<JCheckBox>();
 
     public GUITestFileTable() {
-        this.setLayout(new GridBagLayout());
-        GridBagConstraints oGridBagConstraints = new GridBagConstraints();
-        oGridBagConstraints.gridx = 0;
-        oGridBagConstraints.gridy = 0;
-        oGridBagConstraints.gridheight = 20;
-        oGridBagConstraints.gridwidth = 20; //500, 10, 10, 480
         JTextField oFill = new JTextField("19");
         oFill.setEditable(false);
-        this.add(oFill, oGridBagConstraints);
-        oGridBagConstraints.gridx = 20;
-        this.add(new JCheckBox(), oGridBagConstraints);
-        oGridBagConstraints.gridx = 40;
-        oGridBagConstraints.gridwidth = 460;
+        this.setLayout(new GridLayout(1, 3));
+        this.add(oFill);
+        this.add(new JCheckBox());
         oFill = new JTextField("Test");
         oFill.setEditable(false);
-        this.add(oFill, oGridBagConstraints);
+        this.add(oFill);
     }
 
     public void setData(ArrayList<String> data) {
         this.removeAll();
-
+        JScrollBar oScrollBar = new JScrollBar(JScrollBar.VERTICAL, 30, 1, 0, 100);
         int iNumberOfLines = data.size() + 1;
+        JPanel oLines = new JPanel();
+        oLines.add(oScrollBar);//TODO
+        oLines.setLayout(new GridBagLayout());
+        int iHorizontalCount = 0;
+        int iVerticalCount = 0;
+        System.out.println(1);
+        GridBagConstraints l = new GridBagConstraints();
+        l.gridx = iHorizontalCount;
 
-        this.setLayout(new GridBagLayout());
-
-        JPanel oLineNumbers = new JPanel();
-        oLineNumbers.setLayout(new GridLayout(iNumberOfLines, 1));
-        GridBagConstraints oGridBagConstraints = new GridBagConstraints();
-        oGridBagConstraints.gridx = 0;
-        oGridBagConstraints.gridy = 0;
-        oGridBagConstraints.gridwidth = 500;
-        oGridBagConstraints.gridheight = 600;
-
-        JPanel oBreakpoints = new JPanel();
-        oBreakpoints.setLayout(new GridLayout(iNumberOfLines, 1));
-
-        JPanel oFileLines = new JPanel();
-        oFileLines.setLayout(new GridLayout(iNumberOfLines, 1));
+        int iMaxLength = getMaxLen(data);
 
         for (int i = 1; i < iNumberOfLines; i++) {
-            JTextField oTestLine = new JTextField(data.get(i - 1));
-            oTestLine.setEditable(false);
-            oFileLines.add(oTestLine);
-            JCheckBox oCheckbox = new JCheckBox();
-            oCheckbox.setEnabled(false);
-            oCheckboxes.add(oCheckbox);
-            oBreakpoints.add(oCheckbox);
-            JTextField oNumber = new JTextField(i + "");
-            oNumber.setEditable(false);
-            oLineNumbers.add(oNumber);
-        }
+            JPanel oPanel = new JPanel();
+            oPanel.setLayout(new GridBagLayout());
 
-        this.add(oLineNumbers, oGridBagConstraints);
-        this.add(oBreakpoints);
-        this.add(oFileLines);
+            GridBagConstraints c = new GridBagConstraints();
+            c.gridx = 0;
+            c.gridy = 0;
+
+            JTextField oNumber = new JTextField(i + "", 3);
+            oNumber.setEditable(false);
+            oPanel.add(oNumber, c);
+
+            c.gridx = 1;
+
+            JCheckBox oCheckbox = new JCheckBox();
+            oCheckbox.setEnabled(false);      
+            oCheckboxes.add(oCheckbox);
+            oPanel.add(oCheckbox, c);
+
+            c.gridx = 2;
+
+            JTextField oTestLine = new JTextField(data.get(i - 1), iMaxLength);
+            oTestLine.setEditable(false);
+            oPanel.add(oTestLine, c);
+            
+            l.gridy = iVerticalCount;
+            l.anchor = GridBagConstraints.WEST;
+            oLines.add(oPanel, l);
+            iVerticalCount++;
+        }
+        System.out.println(iMaxLength);
+        this.add(oLines);
     }
 
     public ArrayList<JCheckBox> getCheckboxes() {
         return oCheckboxes;
     }
+
+    private int getMaxLen(ArrayList<String> data) {
+        int iSize = data.size();
+        int iMaxLength = 0;
+        for (int i = 0; i < iSize; i++) {
+            if (data.get(i).length() > iMaxLength) {
+                iMaxLength = data.get(i).length();
+            }
+        }
+        return iMaxLength;
+    }
 }