added ex N

src/exercises/ex_n/News.java

@@ -0,0 +1,21 @@
+package exercises.ex_n;
+
+import java.time.LocalDateTime;
+
+public class News {
+    private String news;
+    private LocalDateTime date;
+
+    public News(String news) {
+        this.news = news;
+        this.date = LocalDateTime.now();
+    }
+
+    @Override
+    public String toString() {
+        return "News{" +
+        "news='" + news + '\'' +
+        ", date=" + date +
+        '}';
+    }
+}