Draft/assignment submission

.gitignore

@@ -1,3 +1,12 @@
 .idea
 **/*.iml
 **/target
+.DS_Store
+0-0-intro/
+1-0-java-basics/1-5-0-hello-annotations/
+2-0-data-structures-and-algorithms/
+3-0-java-core/3-6-1-file-reader/
+3-0-java-core/3-6-2-file-stats/
+3-0-java-core/3-6-3-crazy-regex/
+4-0-object-oriented-programming/
+6-0-test-driven-development/

1-0-java-basics/1-3-0-hello-generics/src/main/java/com/bobocode/basics/Box.java

@@ -7,18 +7,18 @@
  * <p>
  * todo: refactor this class so it uses generic type "T" and run {@link com.bobocode.basics.BoxTest} to verify it
  */
-public class Box {
-    private Object value;
+public class Box<T> {
+    private T value;
 
-    public Box(Object value) {
+    public Box(T value) {
         this.value = value;
     }
 
-    public Object getValue() {
+    public T getValue() {
         return value;
     }
 
-    public void setValue(Object value) {
+    public void setValue(T value) {
         this.value = value;
     }
 }

1-0-java-basics/1-3-0-hello-generics/src/main/java/com/bobocode/basics/BoxDemoApp.java

@@ -9,11 +9,12 @@
  */
 public class BoxDemoApp {
     public static void main(String[] args) {
-        Box intBox = new Box(123);
-        Box intBox2 = new Box(321);
+        Box<Integer> intBox = new Box(123);
+        Box<Integer> intBox2 = new Box(321);
         System.out.println((int) intBox.getValue() + (int) intBox2.getValue());
 
         intBox.setValue(222);
+        // must not compile!!
         intBox.setValue("abc"); // this should not be allowed
         // the following code will compile, but will throw runtime exception
         System.out.println((int) intBox.getValue() + (int) intBox2.getValue());