update

src/AssessmentPartFour.java

@@ -21,10 +21,10 @@ public class AssessmentPartFour {
 		number=0;
 	    while (scanner.hasNextLine()) { 
 	        String line = scanner.nextLine(); 
-	        System.out.println(line); 
+	        
 	        morseCode.add(line);
 	        // Faites ici votre traitement. 
-	      System.out.println(morseCode.size());
+	      
 	      number=morseCode.size();
 	     
 	    } 
@@ -37,15 +37,123 @@ public class AssessmentPartFour {
 		
 	}
 	
-	public String translateMorse()
+	public String translateMorse(String filename)/*add String filename in () */
 	{
+	
+		List<String> morseCode = new ArrayList<String>();
+		char [] to=new char[loadMorseFromFile(filename)];
 		
+		try (Scanner scanner = new Scanner(new File(filename))) { 
+		    // On boucle sur chaque champ détecté. 
+		    while (scanner.hasNextLine()) { 
+		        String line = scanner.nextLine();  
+		        morseCode.add(line);
+		        
+		         
+		    
+		    } 
+		    
+		    for(int i=0;i<morseCode.size();i++)
+		    {
+		    to[i]=morseToEnglish(morseCode.get(i));	
+		    }
+		} catch (FileNotFoundException ex) { 
+		    System.out.println("Erreur --" + ex.toString()); 
+		}
+		System.out.println(new String(to));
+		return new String(to);
+	}
+	
+	
+	private static char morseToEnglish(String a) 
+	{
+		char morse;
+		char alphabet = 0;
 		
+		switch(a) {
+		case ".-" : alphabet = 'a';
+		break;
+		case "-...": alphabet= 'b';
+		break;
+		case "-.-.": alphabet= 'c';
+		break;
+		case "-..": alphabet= 'd';
+		break;
+		case ".": alphabet= 'e';
+		break;
+		case "..-.": alphabet= 'f';
+		break;
+		case "--.": alphabet= 'g';
+		break;
+		case "....": alphabet= 'h';
+		break;
+		case "..": alphabet= 'i';
+		break;
+		case ".---": alphabet= 'j';
+		break;
+		case "-.-": alphabet= 'k';
+		break;
+		case ".-..": alphabet= 'l';
+		break;
+		case "--": alphabet= 'm';
+		break;
+		case "-.": alphabet= 'n';
+		break;
+		case "---": alphabet= 'o';
+		break;
+		case ".--.": alphabet= 'p';
+		break;
+		case "--.-": alphabet= 'q';
+		break;
+		case ".-.": alphabet= 'r';
+		break;
+		case "...": alphabet= 's';
+		break;
+		case "-": alphabet= 't';
+		break;
+		case "..-": alphabet= 'u';
+		break;
+		case "...-": alphabet= 'v';
+		break;
+		case ".--": alphabet= 'w';
+		break;
+		case "-..-": alphabet= 'x';
+		break;
+		case "-.--": alphabet= 'y';
+		break;
+		case "--..": alphabet= 'z';
+		break;
+		case ".----": alphabet= '1';
+		break;
+		case "..---": alphabet= '2';
+		break;
+		case "...--": alphabet= '3';
+		break;
+		case "....-": alphabet= '4';
+		break;
+		case ".....": alphabet= '5';
+		break;
+		case "-....": alphabet= '6';
+		break;
+		case "--...": alphabet= '7';
+		break;
+		case "---..": alphabet= '8';
+		break;
+		case "----.": alphabet= '9';
+		break;
+		case "-----": alphabet= '0';
+		break;
+		case "/": alphabet= ' ';
+		break;
+		}
 		
-		return "";
-	}
+		morse=alphabet;
+		return morse;
+	}		
 	
 	
+}
+
 	
 
-}
+

src/AssessmentPartFourTest.java

@@ -41,7 +41,7 @@ class AssessmentPartFourTest {
 		int cc = test.loadMorseFromFile(filename);
 		if (cc==count)
 		{
-			assertEquals(message, test.translateMorse());
+			assertEquals(message, test.translateMorse(filename)); // add filename in () 
 		}
 		else
 		{