Fix: Add collection declaration and link to App.java

src/main/java/com/unitime/App.java

@@ -3,21 +3,19 @@
 import java.util.List;
 import java.util.Scanner;
 
-
+import com.unitime.UI.IntroScreen;
 import com.unitime.UI.ResultView;
-import com.unitime.feature.InputHandler;
+import com.unitime.algorthm.Scheduler;
 import com.unitime.feature.Course;
-import com.unitime.algorthm.Scheduler; 
+import com.unitime.feature.InputHandler; 
 
 public class App {
     public static void main( String[] args ) {
 
         Scanner sc = new Scanner(System.in);
-
-        System.out.println("\n=== Welcome to UniTime-Solver! ==="); 
+        IntroScreen.start();
         System.out.println("Press [ENTER] to start...");
         sc.nextLine();
-
         while(true) {
 
             InputHandler inputHandler = new InputHandler(); 
@@ -42,6 +40,7 @@ public static void main( String[] args ) {
                     if (currentIndex + 5 < results.size()) {
                         currentIndex += 5;
                     } else {
+
                     }
                 } 
                 else if (command.equals("edit")) {
@@ -50,4 +49,5 @@ else if (command.equals("edit")) {
             }
         }
     }
+
 }

src/main/java/com/unitime/UI/IntroScreen.java

@@ -1,4 +1,4 @@
-import java.util.Scanner;
+package com.unitime.UI;
 
 public class IntroScreen {
     //set color for introscreen
@@ -17,20 +17,14 @@ public class IntroScreen {
     private static final int NUM_COLORS = ANSI_COLORS.length;
     private static final int WIDTH = 80;
 
-    public static boolean start() {
+    public static void start() {
         printBorderedBox();
 
         System.out.println("=".repeat(WIDTH + 4));
         System.out.println(ANSI_YELLOW + "                      Press [ENTER] to Start UniTime_Solver." + ANSI_RESET);
         System.out.println("=".repeat(WIDTH + 4));
 
         //waiting user's enter
-        try (Scanner scanner = new Scanner(System.in)) {
-            scanner.nextLine();
-            return true; //if user's enter succeed
-        }catch (Exception e) {
-            return false; //else
-        }
     }
 
     private static void printBorderedBox() {

src/main/java/com/unitime/UI/ResultView.java

@@ -3,6 +3,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Scanner;
+
 import com.unitime.feature.Course;
 
 public class ResultView {