Java Utililty Methods Scanner Usage

Scanner scanner = new Scanner(text);
int i = 0;
while (scanner.hasNextLine()) {
    scanner.nextLine();
    i++;
scanner.close();
return i;
...

Scanner input = new Scanner(System.in);
System.out.print("Masukkan sebuah bilangan: ");
if (input.hasNextInt()) {
    System.out.println(input.nextInt());
} else {
    System.out.println("Bukan bilangan");

Scanner in = new Scanner(System.in);
int choice = 0;
boolean done = false;
while (!done) {
    try {
        choice = in.nextInt();
    } catch (InputMismatchException e) {
        in.nextLine();
...

List<Double> vector = new ArrayList<Double>();
Scanner scanner = new Scanner(str_vector.substring(1, str_vector.length() - 1));
scanner.useDelimiter(", ");
while (scanner.hasNextDouble())
    vector.add(scanner.nextDouble());
return vector;

for (final String line : lines) {
    final Scanner lineScan = new Scanner(line);
    lineScan.useDelimiter(",|\t");
    dailyPriceDate.add(lineScan.next());
    priceValues.add(lineScan.next());
    lineScan.close();

Scanner scanner = new Scanner(name);
StringBuilder csvName = new StringBuilder();
scanner.useDelimiter("_");
for (int i = 0; i < 4; i++) {
    if (scanner.hasNext()) {
        csvName.append(scanner.next() + ",");
    } else {
        csvName.append(",");
...

final Scanner scanner = new Scanner(queryString);
scanner.useDelimiter("&");
LinkedHashMap<String, List<String>> res = new LinkedHashMap<String, List<String>>();
while (scanner.hasNext()) {
    final String[] nameValue = scanner.next().split("=");
    if (nameValue.length == 0 || nameValue.length > 2) {
        throw new IllegalArgumentException("bad parameter");
    final String name = nameValue[0];
    String value = null;
    if (nameValue.length == 2) {
        value = nameValue[1];
    if (value == null) {
        value = "";
    putVarVal(res, name, value);
return res;

Scanner scanner = new Scanner(input.trim());
scanner.useLocale(Locale.ENGLISH);
long time;
if (input.contains(":")) {
    scanner.useDelimiter(":");
    if (!scanner.hasNextLong()) {
        return 0;
    long minutes = scanner.nextLong();
    if (minutes < 0) {
        return 0;
    if (!scanner.hasNextDouble()) {
        return 0;
    double seconds = scanner.nextDouble();
    if (seconds < 0.0 || seconds >= 60.0) {
        return 0;
    time = (long) (60000 * minutes + 1000 * seconds);
else {
    if (!scanner.hasNextDouble()) {
        return 0;
    double seconds = scanner.nextDouble();
    if (seconds < 0.0) {
        return 0;
    time = (long) (1000 * seconds);
return time;

LinkedList<String> resultList = new LinkedList<String>();
Scanner scanner = new Scanner(path);
scanner.useDelimiter("\\\\");
if (path.startsWith("\\\\")) {
    int endPos = path.indexOf("\\", 2);
    resultList.add(path.substring(0, endPos));
    scanner.next();
    scanner.next();
...

System.out.println("\n\nPress enter to continue...");
keyboard.nextLine();