Example usage for java.util Scanner nextLine

List of usage examples for java.util Scanner nextLine

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Introduction

In this page you can find the example usage for java.util Scanner nextLine.

Prototype

public String nextLine()

Source Link

Document

Advances this scanner past the current line and returns the input that was skipped.

Usage

From source file:Main.java

public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);

    System.out.print("Username: ");
    String username = scanner.nextLine();

    System.out.print("Password: ");
    String password = scanner.nextLine();

    System.out.print("What is 2 + 2: ");
    int result = scanner.nextInt();

    if (username.equals("admin") && password.equals("secret") && result == 4) {
        System.out.println("Welcome");
    } else {//from  w w w .  j  ava2s.c om
        System.out.println("Invalid username or password!");
    }
}

From source file:SocketTest.java

public static void main(String[] args) {
    try {//from  w  ww.  j  a  v  a  2 s  .  c o  m
        Socket s = new Socket("time-A.timefreq.bldrdoc.gov", 13);
        try {
            InputStream inStream = s.getInputStream();
            Scanner in = new Scanner(inStream);

            while (in.hasNextLine()) {
                String line = in.nextLine();
                System.out.println(line);
            }
        } finally {
            s.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Scanner scanner = new Scanner(FileSystems.getDefault().getPath("logs", "access.log"),
            StandardCharsets.UTF_8.name());
    System.out.println(scanner.nextLine());

    scanner.close();//from   w w  w  .  j a  v  a 2s .co m
}

From source file:Main.java

public static void main(String[] args) throws FileNotFoundException {

    Scanner scanner = new Scanner(new FileInputStream("c:/text.txt").getChannel(),
            StandardCharsets.UTF_8.name());

    System.out.println(scanner.nextLine());

    // change the radix of the scanner
    scanner.useRadix(32);//from   ww  w  .  j  av a 2s  .c om

    // display the new radix
    System.out.println(scanner.radix());

    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com 1 + 1 = 2.0 true ";

    Scanner scanner = new Scanner(s);

    // skip the word that matches the pattern .com
    scanner.skip(Pattern.compile(".com"));

    System.out.println(scanner.nextLine());

    scanner.close();//from   ww  w  . j  a  v  a  2 s . c  o  m
}

From source file:com.chargebee.Application.DateFormat.java

public static void main(String[] args) throws IOException, Exception {
    Scanner sc = new Scanner(System.in);
    System.out.println("Input CSV File: ");
    String source = sc.nextLine();

    System.out.println("Input JSON File: ");
    String requirements = sc.nextLine();

    System.out.println("Output CSV File: ");
    String output = sc.nextLine();

    DateFormat df = new DateFormat();
    JSONObject jobj = MethodBank.readJsonObjectData(requirements);
    CSVParser parser = MethodBank.parserInitializer(source);
    CSVPrinter printer = MethodBank.printerInitializer(output);

    df.formatter(parser, printer, jobj);
    parser.close();/*from ww w .j av  a2s. co  m*/
    printer.close();

}

From source file:com.chargebee.Application.Amountediting.java

public static void main(String[] args) throws IOException, Exception {
    Scanner sc = new Scanner(System.in);
    System.out.println("Input CSV File: ");
    String source = sc.nextLine();

    System.out.println("Input JSON File: ");
    String requirements = sc.nextLine();

    System.out.println("Output CSV File: ");
    String output = sc.nextLine();

    Amountediting ae = new Amountediting();
    JSONObject jobj = MethodBank.readJsonObjectData(requirements);
    CSVParser parser = MethodBank.parserInitializer(source);
    CSVPrinter printer = MethodBank.printerInitializer(output);

    ae.formatter(parser, printer, jobj);
    parser.close();// www .  j  a v a 2 s.c  o  m
    printer.close();

}

From source file:examples.cidr.SubnetUtilsExample.java

public static void main(String[] args) {
    String subnet = "192.168.0.3/31";
    SubnetUtils utils = new SubnetUtils(subnet);
    SubnetInfo info = utils.getInfo();/*from w  ww.  j  a  v  a 2 s.c o m*/

    System.out.printf("Subnet Information for %s:\n", subnet);
    System.out.println("--------------------------------------");
    System.out.printf("IP Address:\t\t\t%s\t[%s]\n", info.getAddress(),
            Integer.toBinaryString(info.asInteger(info.getAddress())));
    System.out.printf("Netmask:\t\t\t%s\t[%s]\n", info.getNetmask(),
            Integer.toBinaryString(info.asInteger(info.getNetmask())));
    System.out.printf("CIDR Representation:\t\t%s\n\n", info.getCidrSignature());

    System.out.printf("Supplied IP Address:\t\t%s\n\n", info.getAddress());

    System.out.printf("Network Address:\t\t%s\t[%s]\n", info.getNetworkAddress(),
            Integer.toBinaryString(info.asInteger(info.getNetworkAddress())));
    System.out.printf("Broadcast Address:\t\t%s\t[%s]\n", info.getBroadcastAddress(),
            Integer.toBinaryString(info.asInteger(info.getBroadcastAddress())));
    System.out.printf("Low Address:\t\t\t%s\t[%s]\n", info.getLowAddress(),
            Integer.toBinaryString(info.asInteger(info.getLowAddress())));
    System.out.printf("High Address:\t\t\t%s\t[%s]\n", info.getHighAddress(),
            Integer.toBinaryString(info.asInteger(info.getHighAddress())));

    System.out.printf("Total usable addresses: \t%d\n", Integer.valueOf(info.getAddressCount()));
    System.out.printf("Address List: %s\n\n", Arrays.toString(info.getAllAddresses()));

    final String prompt = "Enter an IP address (e.g. 192.168.0.10):";
    System.out.println(prompt);
    Scanner scanner = new Scanner(System.in);
    while (scanner.hasNextLine()) {
        String address = scanner.nextLine();
        System.out.println("The IP address [" + address + "] is " + (info.isInRange(address) ? "" : "not ")
                + "within the subnet [" + subnet + "]");
        System.out.println(prompt);
    }

}

From source file:examples.SubnetUtilsExample.java

public static void main(String[] args) {
    String subnet = "192.168.0.1/29";
    SubnetUtils utils = new SubnetUtils(subnet);
    SubnetInfo info = utils.getInfo();//from   ww w. j a  va  2 s.  com

    System.out.printf("Subnet Information for %s:\n", subnet);
    System.out.println("--------------------------------------");
    System.out.printf("IP Address:\t\t\t%s\t[%s]\n", info.getAddress(),
            Integer.toBinaryString(info.asInteger(info.getAddress())));
    System.out.printf("Netmask:\t\t\t%s\t[%s]\n", info.getNetmask(),
            Integer.toBinaryString(info.asInteger(info.getNetmask())));
    System.out.printf("CIDR Representation:\t\t%s\n\n", info.getCidrSignature());

    System.out.printf("Supplied IP Address:\t\t%s\n\n", info.getAddress());

    System.out.printf("Network Address:\t\t%s\t[%s]\n", info.getNetworkAddress(),
            Integer.toBinaryString(info.asInteger(info.getNetworkAddress())));
    System.out.printf("Broadcast Address:\t\t%s\t[%s]\n", info.getBroadcastAddress(),
            Integer.toBinaryString(info.asInteger(info.getBroadcastAddress())));
    System.out.printf("First Usable Address:\t\t%s\t[%s]\n", info.getLowAddress(),
            Integer.toBinaryString(info.asInteger(info.getLowAddress())));
    System.out.printf("Last Usable Address:\t\t%s\t[%s]\n", info.getHighAddress(),
            Integer.toBinaryString(info.asInteger(info.getHighAddress())));

    System.out.printf("Total usable addresses: \t%d\n", info.getAddressCount());
    System.out.printf("Address List: %s\n\n", Arrays.toString(info.getAllAddresses()));

    final String prompt = "Enter an IP address (e.g. 192.168.0.10):";
    System.out.println(prompt);
    Scanner scanner = new Scanner(System.in);
    while (scanner.hasNextLine()) {
        String address = scanner.nextLine();
        System.out.println("The IP address [" + address + "] is " + (info.isInRange(address) ? "" : "not ")
                + "within the subnet [" + subnet + "]");
        System.out.println(prompt);
    }

}

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com 1 + 1 = 2.0";

    Scanner scanner = new Scanner(s);

    // find a string "com"
    System.out.println(scanner.findInLine("com"));

    // print the rest of the string
    System.out.println(scanner.nextLine());

    scanner.close();/* ww  w  .  j a  v a2s  .com*/
}