From 8ba10db6a6d192b2c34d33f0163600b9955320d6 Mon Sep 17 00:00:00 2001
From: yizt73 <e0773674@u.nus.edu>
Date: Fri, 17 Feb 2023 16:48:50 +0800
Subject: [PATCH 1/3] update error handling

---
 src/se/edu/inclass/data/DataManager.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/se/edu/inclass/data/DataManager.java b/src/se/edu/inclass/data/DataManager.java
index c3f1030..01cde20 100644
--- a/src/se/edu/inclass/data/DataManager.java
+++ b/src/se/edu/inclass/data/DataManager.java
@@ -57,7 +57,7 @@ public ArrayList<Task> loadData() {
             ArrayList<String> dataItems = readFile();
             taskList = parse(dataItems);
         } catch (IOException e) {
-            e.printStackTrace();
+            System.out.println("File access issue. Please check.");;
         }
         return taskList;
     }

From 7936e9c24015dd6829533a6f0a00b5cea07b1bf5 Mon Sep 17 00:00:00 2001
From: yizt73 <e0773674@u.nus.edu>
Date: Fri, 17 Feb 2023 17:05:09 +0800
Subject: [PATCH 2/3] Add method to count deadline using streams

---
 src/se/edu/inclass/Main.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/se/edu/inclass/Main.java b/src/se/edu/inclass/Main.java
index aa9516c..f484e61 100644
--- a/src/se/edu/inclass/Main.java
+++ b/src/se/edu/inclass/Main.java
@@ -34,6 +34,12 @@ 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) {

From 1bf514447c402fc657197ca8607c3b2f914f547e Mon Sep 17 00:00:00 2001
From: yizt73 <e0773674@u.nus.edu>
Date: Fri, 17 Feb 2023 17:06:15 +0800
Subject: [PATCH 3/3] add methods that use steams

---
 .gitignore                   |  1 +
 src/se/edu/inclass/Main.java | 24 ++++++++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 4c1a033..45174cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,4 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 .idea/
+TaskS.iml
diff --git a/src/se/edu/inclass/Main.java b/src/se/edu/inclass/Main.java
index f484e61..876afe1 100644
--- a/src/se/edu/inclass/Main.java
+++ b/src/se/edu/inclass/Main.java
@@ -5,6 +5,7 @@
 import se.edu.inclass.task.Task;
 import se.edu.inclass.task.TaskNameComparator;
 
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 
 public class Main {
@@ -16,13 +17,17 @@ public static void main(String[] args) {
         DataManager dm = new DataManager("./data/data.txt");
         ArrayList<Task> tasksData = dm.loadData();
 
-        printData(tasksData);
+
         System.out.println();
         System.out.println("Printing deadlines");
         printDeadlines(tasksData);
+        printDeadlinesUsingStreams(tasksData);
 
-        System.out.println("Total number of deadlines: " + countDeadlines(tasksData));
+        System.out.println("Total number of deadlines counted" +
+                " using streams: " + countDeadlinesUsingStream(tasksData));
 
+//        printData(tasksData);
+//        printDataUsingStreams(tasksData);
     }
 
     private static int countDeadlines(ArrayList<Task> tasksData) {
@@ -42,16 +47,31 @@ private static int countDeadlinesUsingStream(ArrayList<Task> tasks) {
     }
 
     public static void printData(ArrayList<Task> tasksData) {
+        System.out.println("Printing data using iteration");
         for (Task t : tasksData) {
             System.out.println(t);
         }
     }
 
+    public static void printDataUsingStreams(ArrayList<Task> tasks) {
+        System.out.println("Printing data using streams");
+        tasks.stream()              // convert to stream
+                .forEach(System.out::println);
+    }
+
     public static void printDeadlines(ArrayList<Task> tasksData) {
+        System.out.println("Printing deadline using iteration");
         for (Task t : tasksData) {
             if (t instanceof Deadline) {
                 System.out.println(t);
             }
         }
     }
+
+    public static void printDeadlinesUsingStreams(ArrayList<Task> tasks) {
+        System.out.println("Printing deadline using streams");
+        tasks.stream()
+                .filter(t -> t instanceof Deadline)
+                .forEach(System.out::println);
+    }
 }