public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("Please enter your name :"); String userName = sc.nextLine(); System.out.print("Wow, " + userName); System.out.print(", your name is " + userName.length()); System.out.println(" characters long (if I count the spaces)."); // now count how many alphabetic characters there are in the name String lowerCaseName = userName.toLowerCase(); // counter for the number of letters int count = 0; for (int i = 0; i < lowerCaseName.length(); i++) { // if the character is alphabetic, then increment count char letter = lowerCaseName.charAt(i); if ((letter >= 'a' && letter <= 'z')) count++; } System.out.println("There are " + count + " letters in your name"); for (int i = lowerCaseName.length() - 1; i >= 0; i--) { System.out.print(lowerCaseName.charAt(i)); } System.out.println(""); // find the position of the space String firstName; int spacePos = userName.indexOf(' '); if (spacePos == -1) firstName = userName; else firstName = userName.substring(0, spacePos); System.out.println("First name :" + firstName); }
public static void main(String[] args) { long st, dt, et; String plaintext1 = "Yellow and Black Border Collies"; String keysPath = "keys.txt"; RSA rsa; try { Scanner in = new Scanner(new FileReader(keysPath)); BigInteger n = new BigInteger(in.nextLine().substring(3)); BigInteger e = new BigInteger(in.nextLine().substring(3)); BigInteger d = new BigInteger(in.nextLine().substring(3)); in.close(); rsa = new RSA(n, e, d); } catch (FileNotFoundException e) { e.printStackTrace(); return; } // rsa = new RSA(8, 1024); st = System.currentTimeMillis(); String ciphertext = rsa.encrypt(plaintext1); dt = System.currentTimeMillis(); String plaintext2 = rsa.decrypt(ciphertext); et = System.currentTimeMillis(); System.out.println("enc time: " + (dt - st)); System.out.println("dec time: " + (et - dt)); System.out.println(plaintext2); // rsa.saveKeys(keysPath); }
public static void main(String[] args) { float numero1, numero2; float suma; float producto; float media; Scanner teclado = new Scanner(System.in); System.out.print("Dame un número: "); numero1 = teclado.nextFloat(); System.out.print("Dame otro número: "); numero2 = teclado.nextFloat(); suma = numero1 + numero2; producto = numero1 * numero2; media = (numero1 + numero2) / 2; System.out.println("--------RESULTADOS--------"); System.out.println("Número 1: " + numero1); System.out.println("Número 2: " + numero2); System.out.println("Suma: " + suma); System.out.println("Producto: " + producto); System.out.println("Media: " + media); teclado.close(); }
@SuppressWarnings("resource") public static void main(String[] args) { Scanner reader = new Scanner(System.in); if (anagram(reader.nextLine())) System.out.println("YES"); else System.out.println("NO"); }
public static void main(String[] args) { Scanner scan = new Scanner(System.in); String input = scan.nextLine(); String[] intStrings = input.split(" "); // Konverter til integer: int[] measurements = new int[intStrings.length]; int sum = 0; // En slags loop for (int i = 0; i < intStrings.length; i++) { int j = Integer.parseInt(intStrings[i]); measurements[i] = j; sum += j; } double mean = ((double) sum) / measurements.length; double varSum = 0; // Iteration for (int i : measurements) { varSum += Math.pow(i - mean, 2); } System.out.println("Mean: " + mean); System.out.println("Standard deviation: " + Math.sqrt(varSum / measurements.length)); scan.close(); }
public void init() { Scanner scan = new Scanner(System.in); count = scan.nextInt(); x0 = scan.nextLong(); y0 = scan.nextLong(); int result = 0; boolean special = false; for (int i = 0; i < count; i++) { long tempx = scan.nextLong(); long tempy = scan.nextLong(); if (tempx == x0 && tempy == y0) { special = true; continue; } boolean isDuplicate = false; for (int j = 0; j < result; j++) { long x1 = xList.get(j); long y1 = yList.get(j); if ((x1 - x0) * (tempy - y0) == (y1 - y0) * (tempx - x0)) { isDuplicate = true; break; } } if (!isDuplicate) { xList.add(tempx); yList.add(tempy); result++; } } if (special && result == 0) result = 1; System.out.println(result); scan.close(); }
public static void main(String[] args) { int n; Scanner input = new Scanner(System.in); // read a number from the console do { System.out.print("Enter the size of an array: "); n = input.nextInt(); } while (n < 3); // declare the array int[] array = new int[n]; // fill the array for (int i = 0; i < array.length; i++) { System.out.print("Enter a number: "); array[i] = input.nextInt(); } input.close(); // check if the array is zigzag boolean isJagged = true; for (int i = 1; i < array.length - 1; i += 2) { if (!((array[i - 1] < array[i]) && (array[i] > array[i + 1]))) { isJagged = false; break; } } if (isJagged) { System.out.println("изпълнява изискванията за зигзагообразна нагоре редица"); } else { System.out.println("не изпълнява изискванията за зигзагообразна нагоре редица"); } }
private static boolean isInteger(String s, int radix) { Scanner sc = new Scanner(s.trim()); if (!sc.hasNextInt(radix)) return false; sc.nextInt(radix); return !sc.hasNext(); }
public static void main(String[] args) { Scanner scan = new Scanner(System.in); String input = scan.next(); // System.out.println(checkUnique(input)); System.out.println(checkUniqueInLinear(input)); }
public static Map<String, ArrayList<String>> prepareMap() { Map<String, ArrayList<String>> symbolMap = new HashMap<String, ArrayList<String>>(); try { File file = new File("result.txt"); Scanner scanner = new Scanner(file); while (scanner.hasNextLine()) { String currentLine = scanner.nextLine(); // <AAPL,128.62> String temString = currentLine.substring(1, currentLine.length() - 1); String[] strArray = temString.split(","); String key = strArray[0]; String value = strArray[1]; ArrayList<String> priceList = new ArrayList<>(); if (symbolMap.containsKey(key)) { priceList = symbolMap.remove(key); } priceList.add(value); symbolMap.put(key, priceList); } scanner.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } return symbolMap; }
public static void main(String[] args) throws UnknownHostException, IOException { Socket sock = new Socket("localhost", 1111); Scanner s = new Scanner(System.in); OutputStream out = sock.getOutputStream(); InputStream in = sock.getInputStream(); out.flush(); byte[] buffer = new byte[1024]; int n; String index = ""; if ((n = in.read(buffer)) != -1) { System.out.println(new String(buffer, 0, n)); String name = s.nextLine(); out.write(name.getBytes()); } while (true) { if ((n = in.read(buffer)) != -1) { if ((new String(buffer, 0, n)).equals("DONE")) { System.out.println("File uploaded successfully"); } else { System.out.println(new String(buffer, 0, n)); index = s.nextLine(); out.write(index.getBytes()); System.out.println(new String(buffer, 0, in.read(buffer))); } } } }
public static LinkedList<String> readFromFile() { File f; Scanner scanner; LinkedList<String> result = new LinkedList<>(); try { f = new File(fileName); scanner = new Scanner(f); // Pattern regex = Pattern.compile("\\w"); while (scanner.hasNext()) { String current = scanner.next(); String[] splitLine = current.split(","); for (int i = 0; i < splitLine.length; i++) { // Debug statement System.out.println("Scanner adding to list:" + splitLine[i]); result.add(splitLine[i]); } System.out.println("Scanner reading:" + current); // result.add(current); // System.out.println("Output of file" + ); } return result; } catch (IOException exc) { System.out.println("Error reading file line" + exc.getMessage()); } return null; }
public static void main(String[] args) { Scanner scan = new Scanner(System.in); int start = scan.nextInt(); int end = scan.nextInt(); int count = 0; for (int i = start; i <= end; i++) { String decimalStr = String.valueOf(i); for (int j = 0; j < decimalStr.length(); j++) { if (decimalStr.charAt(j) == '3' || decimalStr.charAt(j) == '6' || decimalStr.charAt(j) == '9') { count++; break; } else { if ((Integer.parseInt(decimalStr) % 3) == 0) { count++; break; } } } } System.out.println(count); }
public ArrayList<Brick> getBricks(String fileName) { try { Scanner in = new Scanner(new File(fileName)); ArrayList<String> lines = new ArrayList<>(); while (in.hasNextLine()) { lines.add(in.nextLine()); } in.close(); char[][] chars = new char[lines.size()][]; for (int i = 0; i < lines.size(); i++) { chars[i] = lines.get(i).toCharArray(); } ArrayList<Brick> ret = new ArrayList<>(); int width = 70, height = 40; for (int r = 0; r < chars.length; r++) { for (int c = 0; c < chars[r].length; c++) { if (chars[r][c] != ' ') { int x = c * width; int y = r * height; ret.add(new Brick(x, y, width, height)); } } } return ret; } catch (FileNotFoundException e) { e.printStackTrace(); return null; } }
/** @param args the command line arguments */ public static void main(String[] args) { Scanner sc = new Scanner(System.in); // Enter annual interest rate in percentage, e.g., 7.25% System.out.print("Enter annual interest rate (e.g., 7.25%): "); double annualInterestRate = sc.nextDouble(); // Obtain monthly interest rate double monthlyInterestRate = computeMonthlyInterestRate(annualInterestRate); // Enter number of years System.out.print("Enter number of years as an integer (e.g., 5): "); int numberOfYears = sc.nextInt(); // Enter loan amount System.out.print("Enter loan amount (e.g., 120000.95): "); double loanAmount = sc.nextDouble(); // Calculate monthly payment double monthlyPayment = computeMonthlyPayment(loanAmount, monthlyInterestRate, numberOfYears); double totalPayment = monthlyPayment * numberOfYears * 12; // Display results System.out.printf("The monthly payment: $%8.2f%n", (int) (monthlyPayment * 100) / 100.0); System.out.printf("The total payment: $%8.2f%n", (int) (totalPayment * 100) / 100.0); }
public static void main(String[] args) { // Initialise Variables String FirstName; String LastName; String Result; Scanner input = new Scanner(System.in); // prompts the user to enter firstname System.out.print("Please Enter First Name: "); FirstName = input.next(); // prompts the user to enter lastname System.out.print("Please Enter Last Name: "); LastName = input.next(); // Display Name System.out.println("Name is:" + FirstName + " " + LastName); // To generate Random Numbers within 10 to 99 int randomNum = 10 + (int) (Math.random() * 99); // To Add first letter of the user's first name (John), followed by the first five characters // of the user's last name(Smith), followed by a random number in the range 10 to 99. Result = FirstName.substring(0, 1) + LastName.substring(0, 5) + randomNum; // To display the output. System.out.println("Output is:" + Result); }
public ArrayList<ArticleDTO> add() { @SuppressWarnings("resource") Scanner input = new Scanner(System.in); String author; String title; String content; ArrayList<ArticleDTO> articles = new ArrayList<ArticleDTO>(); do { author = UtilView.getStringKeyboard("Please Enter Author : "); title = UtilView.getStringKeyboard("Please Enter Title : "); System.out.println("Type 3 periods (...) to stop"); System.out.print("Please Enter Content: "); content = UtilView.inputContent(); articles.add(new ArticleDTO(1, author, title, content, UtilView.currentDate())); // logfile.writeLogAdd(newArticle); System.out.print("Do you want to continues?(Y/N)"); String confirm = input.next(); switch (confirm.toLowerCase()) { case "y": break; default: return articles; } // End switch; } while (true); } // End of add();
public static void main(String args[]) { Scanner input = new Scanner(System.in); int T = input.nextInt(); CPoint[] array = new CPoint[SIZE]; for (int t = 0; t < T; t++) { int n = input.nextInt(); for (int i = 0; i < n; i++) { int a = input.nextInt(); int b = input.nextInt(); array[i] = new CPoint(); array[i].setPoint(a, b); } int ans = 0; for (int i = 0; i < n; i++) { int sum = 0; for (int j = 0; j < n; j++) if (i != j) { if (array[j].x > array[i].x && array[j].y > array[i].y) sum++; if (array[j].x < array[i].x && array[j].y < array[i].y) sum++; } if (sum > ans) ans = sum; } System.out.println(ans); } }
// Start listener thread @Override public void run() { Scanner sc = new Scanner(System.in); String command; String[] tokens; // Listen to stdin commands while (true) { command = sc.nextLine(); System.out.println("[Shell Debug]: command: \"" + command + "\""); tokens = command.split(StreamingClient.DELIM); switch (tokens[0]) { case "help": System.out.println("Commands: "); System.out.println("\thelp - display this message"); System.out.println( "\trequest <arg1> <arg2> ... (whitespace separated) - send a request to the server"); System.out.println("\tclose - send a signal to close connection"); System.out.println("\tclear - clear console"); break; case "request": // Sends a request message break; case "close": StreamingClient.sendMessage("Close"); StreamingClient.setConnected(false); return; case "clear": clear(); break; } } }
public static void main(String[] args) throws IOException { System.out.println("Программа \"Консольный калькулятор\""); System.out.println( "Поддерживаемые операции: сложение (+), вычитание (-), умножение (*) и деление (/)"); Scanner scanner = new Scanner(System.in); System.out.print("Введите знак операции: "); String operation = scanner.nextLine(); System.out.print("Введите первое число: "); double valueOne = scanner.nextDouble(); System.out.print("Введите второе число: "); double valueTwo = scanner.nextDouble(); if (operation.equals("+")) { System.out.println("Результат операции сложение: " + (valueOne + valueTwo)); } else if (operation.equals("-")) { System.out.println("Результат операции вычитание: " + (valueOne - valueTwo)); } else if (operation.equals("*")) { System.out.println("Результат операции умножение: " + (valueOne * valueTwo)); } else if (operation.equals("/")) { System.out.println("Результат операции деление: " + (valueOne / valueTwo)); } else { System.out.println("Извините, но операция \"" + operation + "\" не поддерживается."); } }
public static void main(String[] args) { int sum = 0, A, B, tem; Scanner sc = new Scanner(System.in); System.out.println("Ingresa el valor de A "); A = sc.nextInt(); System.out.println("Ingresa el valor de B "); B = sc.nextInt(); String cad = ""; for (int i = A; i <= B; i = i + 5) { cad = cad + " " + i; sum = sum + i; } System.out.println(cad); System.out.println("La suma de los multiplos es:" + sum); if (A == 0) { System.out.println("El numero " + A + " es nulo"); } if (A > 0) { System.out.println("El numero " + A + " es positivo"); } else { System.out.println("El numero " + A + " es negativo"); } if (A < B) { tem = A; A = B; B = tem; System.out.println("Ahora el valor de A es: " + A + " y el valor de B es: " + B); } }
public static String requestName() { Scanner keyboard = new Scanner(System.in); System.out.print("Name: "); String name = keyboard.nextLine(); keyboard.close(); return name; }
public static Languages getInstance(String languagesResourceName) { // read languages list Set<String> ls = new HashSet<String>(); InputStream langIS = Languages.class.getClassLoader().getResourceAsStream(languagesResourceName); if (langIS == null) { throw new IllegalArgumentException( "Unable to resolve required resource: " + languagesResourceName); } Scanner lsScanner = new Scanner(langIS, ResourceConstants.ENCODING); boolean inExtendedComment = false; while (lsScanner.hasNextLine()) { String line = lsScanner.nextLine().trim(); if (inExtendedComment) { if (line.endsWith(ResourceConstants.EXT_CMT_END)) { inExtendedComment = false; } else { // skip } } else { if (line.startsWith(ResourceConstants.EXT_CMT_START)) { inExtendedComment = true; } else if (line.length() > 0) { ls.add(line); } else { // skip blank lines } } } return new Languages(Collections.unmodifiableSet(ls)); }
public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.print("Enter 10 ints: "); int A[] = new int[10]; for (int j = 0; j < 10; j++) { A[j] = scan.nextInt(); } int min = 10000; int max = -10000; for (int j = 0; j < 10; j++) { if (A[j] < min) { min = A[j]; } if (A[j] > max) { max = A[j]; } } System.out.println("The lowest entry is: " + min); System.out.println("The highest entry is: " + max); int sum = 0; for (int j = 0; j < 10; j++) { sum = sum + A[j]; } System.out.println("The sum is: " + sum); for (int j = 0; j < 10; j++) { System.out.print(" " + A[j] + " " + A[9 - j]); System.out.println(""); } }
public static void main(String[] args) { /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */ Scanner sc = new Scanner(System.in); String[][] numArray = new String[6][]; int largestSum = 0; for (int i = 0; i < 6; i++) { numArray[i] = sc.nextLine().split(" "); } for (int i = 0; i <= 3; i++) { for (int j = 0; j <= 3; j++) { int sum = Integer.parseInt(numArray[i][j]) + Integer.parseInt(numArray[i][j + 1]) + Integer.parseInt(numArray[i][j + 2]) + Integer.parseInt(numArray[i + 1][j + 1]) + Integer.parseInt(numArray[i + 2][j]) + Integer.parseInt(numArray[i + 2][j + 1]) + Integer.parseInt(numArray[i + 2][j + 2]); // System.out.println(sum); if (i == 0 && j == 0) { largestSum = sum; } else { if (sum > largestSum) { largestSum = sum; } } } } System.out.println(largestSum); }
public static void main(String[] args) throws Exception { Scanner scan = new Scanner(System.in); int[] list = new int[20]; for (int i = 0; i < list.length; i++) { String s = scan.nextLine(); list[i] = Integer.parseInt(s); } scan.close(); // TODO: implement here int[] list1Klein = new int[10]; for (int k = 0; k < 10; k++) { list1Klein[k] = (list[k]); // TODO: implement point 4. Copy first 10 } int[] list2Klein = new int[10]; for (int k = 10; k < 20; k++) { list2Klein[k - 10] = (list[k]); System.out.println(list2Klein[k - 10]); } }
public static void main(String[] args) { Scanner sc = new Scanner(System.in); int count = sc.nextInt(); int digitsNum; for (int i = 0; i < count; i++) { ArrayList<Integer> digits = new ArrayList<>(); digitsNum = sc.nextInt(); int result = 0; while (digitsNum > 0) { digits.add(digitsNum % 10); digitsNum = digitsNum / 10; } Collections.reverse(digits); for (int j = 0; j < digits.size(); j++) { int digit = digits.get(j); result += digit * (j + 1); } System.out.print(result + " "); } sc.close(); }
Client() { sc = new Scanner(new InputStreamReader(System.in)); try { clientSocket = new Socket("localhost", 27015); System.out.println("Connected to server!"); System.out.println("Enter your Nick: "); Scanner sc = new Scanner(new InputStreamReader(System.in)); name = sc.nextLine(); } catch (Exception ex) { System.out.println("Can't connect to server " + ex); } try { in = new DataInputStream(clientSocket.getInputStream()); out = new DataOutputStream(clientSocket.getOutputStream()); ClientReader reader = new ClientReader(); reader.start(); String str = ""; while (!str.equals("exit")) { str = sc.nextLine(); out.writeUTF(name + ": " + str); } } catch (Exception ex) { System.out.println("Err: " + ex); } }
private int getMembers() { boolean valid = false; // indicates if the choice has been retrieved String members = null; Scanner keyboard = new Scanner(System.in); // keyboard input stream // prompt for the player's menu selection System.out.println(">>> Enter number of people in your household."); // get the choice from the keyboard and trim off the blanks members = keyboard.nextLine(); members = members.trim(); // if 'E' the control falls through and returns to Main Menu // then checks to validate input is integer // then checks for number selection between 1-25 // if valid, perform doAction if (members.charAt(0) != 'E') { if (isInteger(members)) { // this is creating the new integer variable 'location' // and using a prepackaged function of parseInt from the // the available functions in the Integer class // to see the available functions, type 'Integer.' and hit enter. int m = Integer.parseInt(members); if (m > 0 && m < 51) { return m; // return the valid choice } } else { System.out.println("\n*** Invalid selection *** Try again."); } } return -1; // TODO else return user to locations menu; }
public static void registerPatients(Socket socket) { Scanner scanner = new Scanner(System.in); long ICint = 0; String IC = null; int count = 0; try { System.out.println("Enter IC : "); ICint = scanner.nextLong(); } catch (InputMismatchException e) { System.out.println("Please enter only integers."); return; } IC = String.valueOf(ICint); System.out.println("Searching for patient.."); for (int i = 0; i < patientList.size(); i++) { if (patientList.get(i).IC.equals(IC)) { count++; System.out.println("Patient found! Added to queue.\n\n"); patientQueue.add(patientList.get(i)); } } if (count == 0) { System.out.println("Patient not found. Registering new entry.\n"); registerNewPatient(IC, socket); } }