public static int initializeCentroids() throws FileNotFoundException {
int i, k, index, numClust = 0;
Review rv;
String reviews = new String();
String singleRv = new String();
String reviewer = new String();
String rating = new String();
for (i = 0; i < maxClusters; i++) {
centroids[i] = new Cluster();
centroids_ref[i] = new Cluster();
}
File modelFile = new File(strModelFile);
Scanner opnScanner = new Scanner(modelFile);
while (opnScanner.hasNext()) {
k = opnScanner.nextInt();
centroids_ref[k].similarity = opnScanner.nextFloat();
centroids_ref[k].movie_id = opnScanner.nextLong();
centroids_ref[k].total = opnScanner.nextShort(); // Leo
centroids_ref[k].total = attrNum + 1;
reviews = opnScanner.next();
Scanner revScanner = new Scanner(reviews).useDelimiter(",");
// while(revScanner.hasNext()){ //Leo
int attrCnt = 0;
while (revScanner.hasNext() && attrCnt < attrNum) {
singleRv = revScanner.next();
index = singleRv.indexOf("_");
// reviewer = new String(singleRv.substring(0,index)); //Leo
reviewer = new String(String.valueOf(attrCnt));
rating = new String(singleRv.substring(index + 1));
rv = new Review();
rv.rater_id = Integer.parseInt(reviewer);
rv.rating = (byte) Integer.parseInt(rating);
centroids_ref[k].reviews.add(rv);
attrCnt++;
}
}
// implementing naive bubble sort as maxClusters is small
// sorting is done to assign top most cluster ids in each iteration
for (int pass = 1; pass < maxClusters; pass++) {
for (int u = 0; u < maxClusters - pass; u++) {
if (centroids_ref[u].movie_id < centroids_ref[u + 1].movie_id) {
Cluster temp = new Cluster(centroids_ref[u]);
centroids_ref[u] = centroids_ref[u + 1];
centroids_ref[u + 1] = temp;
}
}
}
for (int l = 0; l < maxClusters; l++) {
if (centroids_ref[l].movie_id != -1) {
numClust++;
}
}
return numClust;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input = new Scanner(System.in);
System.out.println("Enter a number between [1000.. 9999]");
short number = input.nextShort();
if (number < 1000 || number > 9999) {
System.out.println("Wrong number.Try again");
number = input.nextShort();
}
int firstAndForthDigit = ((number / 1000) % 10) * 10 + number % 10;
int secondAndThirdDigit = ((number / 100) % 10) * 10 + (number / 10) % 10;
if (firstAndForthDigit > secondAndThirdDigit) {
System.out.println(
"The first number is bigger than the second ("
+ firstAndForthDigit
+ " > "
+ secondAndThirdDigit
+ ")");
} else if (firstAndForthDigit < secondAndThirdDigit) {
System.out.println(
"The first number is smaller than the second("
+ firstAndForthDigit
+ " < "
+ secondAndThirdDigit
+ ")");
} else {
System.out.println(
"The first and second numbers are equal ("
+ firstAndForthDigit
+ " = "
+ secondAndThirdDigit
+ ")");
}
}
public static void main(String[] args) {
String input = "1 separator 2 separator red separator blue separator 4";
Scanner scanner = new Scanner(input);
scanner.useDelimiter("\\s*separator\\s*"); // whitespace character [ \r\t\n\x0b\f]
int i1 = scanner.nextInt();
int i2 = scanner.nextInt();
String s1 = scanner.next();
String s2 = scanner.next();
short h1 = scanner.nextShort();
System.out.println(i1 + " " + i2 + " " + s1 + " " + s2 + " " + h1);
scanner.close();
}
public static short leerShort() {
short numero = 0;
boolean error;
do {
try {
numero = teclado.nextShort();
error = false;
} catch (InputMismatchException e) {
System.out.println("- Debe introducir un n�mero: ");
error = true;
} finally {
teclado.nextLine();
}
} while (error);
return numero;
}
/** Read and return the next short. */
public static short readShort() {
return scanner.nextShort();
}
public static short numShort() {
Scanner tec = new Scanner(System.in);
short n;
n = tec.nextShort();
return n;
}
public static void main(String[] args) throws IOException {
Scanner keyboard = new Scanner(System.in);
String input = null; // for most of the input
String fileName = "Tasks.txt"; // file were stuff is written to
short menu = 0; // for the short input
Date date = new Date(); // for the stupid date
int modTask = 0; // for getting a task's position in the array
int numTasks = 0; // keeps count of number of tasks added to task list
TaskList otherStuff = new TaskList(); // TASK LIST!!
System.out.println("Welcome to the Task Manager!");
// A spiff little menu
System.out.println("Would you like to: ");
System.out.println("1. Load a task list from file");
System.out.println("2. Save a new task list");
System.out.println("3. Add a task");
System.out.println("4. Remove a task");
System.out.println("5. Edit a task");
System.out.println("6. Search tasks");
System.out.println("7. Sort tasks by priority");
System.out.println("8. Print task list");
System.out.println("9. Exit program");
menu = keyboard.nextShort();
switch (menu) { // Switch, switch, switch!
case 1: // to load the file
try {
otherStuff.readFile(fileName);
} catch (FileNotFoundException e) {
System.out.println("File \"" + fileName + "\" not found!");
System.out.println("Dying....");
e.printStackTrace();
System.exit(-1);
}
break;
case 2: // for making a new Task list and then saving it to disk
do {
Task stuff = new Task(); // creating a new task
System.out.print("Description: ");
input = keyboard.nextLine();
stuff.setDescription(input); // setting description
System.out.print("Priority(1-3): ");
input = keyboard.nextLine();
// setting priority by converting string to short
stuff.setPriority(Short.parseShort(input));
System.out.println("Category(1-5): ");
System.out.println("1. Other\n2. School\n3. Personal\n4. Chore\n5. Work");
input = keyboard.nextLine();
// setting priority by converting string to short
stuff.setCategory(Short.parseShort(input));
System.out.print("Location: ");
input = keyboard.nextLine();
stuff.setLocation(input); // setting location
/*
* Date gets an extra separating space because it is actually a little evil
* and might corrupt the rest of the program.
*/
System.out.print("Due Date (ex. 01/12/2015): ");
input = keyboard.nextLine();
// now things get a little weird...
// splitting the string where character "/" appears
// This needs a string array to hold the three strings
String[] dateParts = input.split("/");
// setting first part of split string (which is month in America)
int month = Integer.parseInt(dateParts[0]);
// setting second part of string to day (America and stuff)
int day = Integer.parseInt(dateParts[1]);
// setting the third part of the string to year
int year = Integer.parseInt(dateParts[2]);
// plugging in the newly parsed integers into Gregorian Calendar spiffiness
GregorianCalendar gCal = new GregorianCalendar(year, month, day);
// converting Gregorian Calendar into date!!
date = gCal.getTime();
// SETTING THAT DATE WITH SOME WICKED STYLE
stuff.setDate(date);
// finally, finally sets the date
System.out.print("Completed? : "); // setting completed
input = keyboard.nextLine().toLowerCase(); // doesn't matter how you enter the letter
stuff.setCompleted(Boolean.parseBoolean(input)); // Parse that string!
System.out.print("Add new task?");
input = keyboard.nextLine().toLowerCase();
otherStuff.addTask(stuff); // adds the task to the task list
numTasks++; // keeping track of tasks in task list
} while (input.equalsIgnoreCase("y")); // ignoring case
otherStuff.printTasks();
// writing task list to disk
try {
otherStuff.writeFile(fileName);
} catch (FileNotFoundException e) { // no file = sadness
System.out.println("File \"" + fileName + "\" not found!");
System.out.println("Dying...");
e.printStackTrace();
System.exit(-1);
}
break;
case 3: // adding a new task to the pre-existing task list
// Same as before...
Task stuff = new Task();
System.out.print("Description: "); // setting description
input = keyboard.nextLine();
stuff.setDescription(input);
System.out.print("Priority(1-3): "); // setting priority
input = keyboard.nextLine();
stuff.setPriority(Short.parseShort(input)); // parsing to short
System.out.print("Category(1-5): "); // setting category
input = keyboard.nextLine();
stuff.setCategory(Short.parseShort(input)); // parse, parse
System.out.print("Location: "); // setting location
input = keyboard.nextLine();
stuff.setLocation(input);
System.out.print("Due Date (ex. 01/12/2015): "); // date..-_-
input = keyboard.nextLine();
String[] dateParts = input.split("/");
int month = Integer.parseInt(dateParts[0]);
int day = Integer.parseInt(dateParts[1]);
int year = Integer.parseInt(dateParts[2]);
GregorianCalendar gCal = new GregorianCalendar(year, month, day);
date = gCal.getTime();
stuff.setDate(date); // actually really happy with this date stuff in the end :)
System.out.print("Completed? : "); // setting completed
input = keyboard.nextLine().toLowerCase();
stuff.setCompleted(Boolean.parseBoolean(input));
otherStuff.addTask(stuff); // adding the task to the task list
numTasks++; // adding one to number of tasks in task list cause we added a task
break;
case 4: // remove a task
otherStuff.printTasks(); // print tasks so user knows what's where
System.out.println(
"Which task would you like to remove? "
+ "(Enter an interger starting with 0)"); // because arrays start with 0
modTask = keyboard.nextInt();
otherStuff.removeTask(modTask); // removing specified task
break;
case 5: // edit a task
otherStuff.printTasks(); // print tasks so user knows what to edit
System.out.println("Which task would you like to edit?");
modTask = keyboard.nextInt();
Task task = otherStuff.getTask(modTask); // modify specified task
System.out.println("What would you like to edit?"); // getting all specific here
System.out.println("1. Description");
System.out.println("2. Priority");
System.out.println("3. Category");
System.out.println("4. Location");
System.out.println("5. Due Date");
System.out.println("6. Completed?");
modTask = keyboard.nextInt();
switch (modTask) { // Modify what you want!!
case 1: // change description
System.out.print("New Description: ");
task.setDescription(input);
break;
case 2: // change priority
System.out.print("New Priority: ");
task.setPriority(Short.parseShort(input));
break;
case 3: // change category
System.out.print("New Category: ");
task.setCategory(Short.parseShort(input));
break;
case 4: // change location
System.out.print("New Location: ");
task.setLocation(input);
break;
case 5: // change due date
System.out.print("New Due Date: ");
task.setDate(date);
break;
case 6: // change completed status
System.out.print("Completed? ");
task.setCompleted(Boolean.parseBoolean(input));
break;
}
break;
case 6: // search tasks
System.out.println("Would you like to search by: ");
System.out.println("1. Category");
System.out.println("2. Priority");
System.out.println("3. Due date");
System.out.println("4. Location");
System.out.println("5. Completion");
menu = keyboard.nextShort();
// switch in a switch cause that's how I roll...
switch (menu) {
case 1: // searching by category
otherStuff.searchByCategory(menu);
break;
case 2: // searching by priority
otherStuff.searchByPriority(menu);
break;
case 3: // searching by due date
otherStuff.searchByDueDate(date);
break;
case 4: // searching by location
otherStuff.searchByLocation(input);
break;
case 5: // searching by completed status
otherStuff.searchByCompleted(input);
break;
}
break;
case 7: // sort tasks
// definitely the spiffiest sorting you have ever seen
otherStuff.orderByPrio();
// print those amazingly sorted tasks now
otherStuff.printTasks();
break;
case 8: // print tasks
otherStuff.printTasks();
break;
case 9: // for those crazy people not absolutely in love with this program
System.out.println("GOODBYE!");
keyboard.close(); // closing the keyboard
System.exit(0); // actually exiting program
}
}