small edits

src/main/java/no/uib/inf101/terminal/CommandLineInterface.java

@@ -20,6 +20,8 @@ public interface CommandLineInterface {
    */
   void keyPressed(char key);
 
+  void KeyPressed(char key);
+
   /**
    * Get the text to display on the screen.
    *

src/main/java/no/uib/inf101/terminal/DummyShell.java

@@ -6,7 +6,7 @@ package no.uib.inf101.terminal;
 // CommandLineInterface. Du trenger ikke gjøre noen endringer i denne
 // filen for denne lab'en (med mindre du selv ønsker).
 
-public class DummyShell implements CommandLineInterface {
+public abstract class DummyShell implements CommandLineInterface {
 
   private String screenContent = "$ ";
 

src/main/java/no/uib/inf101/terminal/EchoShell.java

@@ -8,7 +8,7 @@ package no.uib.inf101.terminal;
 
 import java.util.ArrayList;
 
-public class EchoShell implements CommandLineInterface {
+public abstract class EchoShell implements CommandLineInterface {
   ArrayList<String> outputLines = new ArrayList<>();
   String currentLine = "";
 

src/main/java/no/uib/inf101/terminal/Main.java

 package no.uib.inf101.terminal;
 
-// UiB INF101 ShellLab - Main.java
-// Dette er filen som inneholder main-metoden.
-
 public class Main {
 
   public static void main(String[] args) {

src/main/java/no/uib/inf101/terminal/SimpleShell.java

@@ -51,12 +51,19 @@ public class SimpleShell implements CommandLineInterface {
   // javadoc comment here unless there is something special about this
   // implementation. You should remove to-do comments when you are done.
   //test
+
+  @Override
+  public void keyPressed(char key) {
+
+  }
+
   /**
    * Called when a key is pressed.
    *
    * @param key The key that was pressed
    */
 
+  @Override
   public void KeyPressed(char key) {
     if (key == '\n') {
       this.processCurrentCommandLine();