Lambdas

src/se/edu/inclass/Main.java

@@ -6,6 +6,7 @@
 import se.edu.inclass.task.TaskNameComparator;
 
 import java.util.ArrayList;
+import java.util.Locale;
 import java.util.stream.Collectors;
 
 public class Main {
@@ -18,9 +19,12 @@ public static void main(String[] args) {
 
         System.out.println("Printing deadlines");
         printDeadlines(tasksData);
+        printDeadlinesUsingStream(tasksData);
 
-        System.out.println("Total number of deadlines: " + countDeadlines(tasksData));
+        System.out.println("Total number of deadlines: " + countDeadLinesUsingStream(tasksData));
+        ArrayList<Task> filteredList = filterTasksByString(tasksData, "11");
 
+        printData(filteredList);
     }
 
     private static int countDeadlines(ArrayList<Task> tasksData) {
@@ -33,6 +37,11 @@ private static int countDeadlines(ArrayList<Task> tasksData) {
         return count;
     }
 
+    private static int countDeadLinesUsingStream(ArrayList<Task> tasks){
+        int count = (int) tasks.stream().filter((t)-> t instanceof Deadline).count();
+        return count;
+    }
+
     public static void printData(ArrayList<Task> tasksData) {
         for (Task t : tasksData) {
             System.out.println(t);
@@ -46,4 +55,19 @@ public static void printDeadlines(ArrayList<Task> tasksData) {
             }
         }
     }
+
+    public static void printDeadlinesUsingStream(ArrayList<Task> tasks){
+        System.out.println("Printing sorted list: ");
+        tasks.stream().filter((t)->t instanceof Deadline)
+                .sorted((a,b) -> a.getDescription().toLowerCase()
+                        .compareTo(b.getDescription().toLowerCase(Locale.ROOT)))
+                .forEach(System.out::println);
+        //tasks.stream().filter((t)->t instanceof Deadline).forEach(System.out::println);
+    }
+
+    public static ArrayList<Task> filterTasksByString(ArrayList<Task> tasks, String filterString){
+        ArrayList<Task> filteredList =
+                (ArrayList<Task>) tasks.stream().filter((t)->t.getDescription().contains(filterString)).collect(Collectors.toList());
+        return filteredList;
+    }
 }