Merge pull request #28 from nkotaa/add-ui

Add Skeleton UI

src/main/java/seedu/binbash/ui/Ui.java

@@ -0,0 +1,33 @@
+package seedu.binbash.ui;
+
+import java.util.Scanner;
+
+public class Ui {
+    private static final String WELCOME_MESSAGE = "Welcome to BinBash!";
+    private static final String GOODBYE_MESSAGE = "Bye!";
+    private static final String LINE_DIVIDER = "-------------------------------------------------------------";
+
+    private Scanner in;
+    private boolean isUserActive;
+
+    public Ui() {
+        in = new Scanner(System.in);
+        isUserActive = true;
+    }
+
+    public boolean isUserActive() {
+        return isUserActive;
+    }
+
+    public void greet() {
+        talk(WELCOME_MESSAGE);
+    }
+
+    public void farewell() {
+        talk(GOODBYE_MESSAGE);
+    }
+
+    public void talk(String line) {
+        System.out.println(LINE_DIVIDER + "\n" + line + "\n" + LINE_DIVIDER);
+    }
+}