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Added UsingStreams methods to print deadlines and tasks based on streams #7

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Added UsingStreams methods to print deadlines and tasks based on streams #7

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31 changes: 27 additions & 4 deletions src/se/edu/inclass/Main.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,14 @@ public static void main(String[] args) {
ArrayList<Task> tasksData = dm.loadData();

printData(tasksData);
System.out.println();
System.out.println("Printing deadlines");
printDeadlines(tasksData);

// System.out.println();
// System.out.println("Printing deadlines");
// printDeadlines(tasksData);
//
// System.out.println("Total number of deadlines: " + countDeadlines(tasksData));
// printData(tasksData);
// printDataUSingStreams(tasksData);
printDeadlinesUsingStream(tasksData);
System.out.println("Total number of deadlines: " + countDeadlines(tasksData));

}
Expand All @@ -34,18 +38,37 @@ 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) {
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 printDeadlinesUsingStream(ArrayList<Task> tasks) {
System.out.println("Printing deadlines using streams");
tasks.stream()
.filter(t -> t instanceof Deadline) //filter takes a predicate
.forEach(System.out::println);
}
}