Example usage for java.util Scanner close

Introduction

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

Prototype

public void close()

Source Link

Document

Closes this scanner.

Usage

From source file:Main.java

public static void main(String[] args) {
    String s = "java2s.com 1 + 1 = 2.0 ";

    Scanner scanner = new Scanner(s);

    scanner.useLocale(Locale.US);

    while (scanner.hasNext()) {
        // check if the scanner's next token is a short with a radix 4
        System.out.println(scanner.hasNextShort(4));

        System.out.println(scanner.next());
    }/* ww  w  .  j a v a 2 s.  co m*/

    scanner.close();
}

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  ava  2 s . 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);

    while (scanner.hasNext()) {

        // if the next is byte, print found and the byte
        if (scanner.hasNextByte()) {
            System.out.println("Found :" + scanner.nextByte());
        }/* w w w .  jav a 2 s . c om*/
        System.out.println("Not Found :" + scanner.next());
    }

    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

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

    Scanner scanner = new Scanner(s);

    // check if the scanner has a token
    System.out.println(scanner.hasNext());

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

    // check if the scanner has a token after printing the line
    System.out.println(scanner.hasNext());

    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

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

    Scanner scanner = new Scanner(s);

    // check if the scanner's next token matches "c"
    System.out.println(scanner.hasNext("c"));

    // check if the scanner's next token matches "="
    System.out.println(scanner.hasNext("="));

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

    while (scanner.hasNext()) {

        // if the next is a int, print found and the int with radix 4
        if (scanner.hasNextInt()) {
            System.out.println("Found :" + scanner.nextInt(4));
        }//  w  ww.  j a  v  a 2s  .c  o  m
        System.out.println("Not Found :" + scanner.next());
    }

    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com 3.12345f";

    Scanner scanner = new Scanner(s);

    // assign locale as US to recognize float numbers in a string
    scanner.useLocale(Locale.US);

    while (scanner.hasNext()) {
        // check if the scanner's next token is a float
        System.out.println(scanner.hasNextFloat());
        System.out.println(scanner.next());
    }//from  ww  w.jav  a 2  s. co m
    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com 1 + 1 = 2.0 1.3985";

    Scanner scanner = new Scanner(s);

    // assign locale as US to recognize double numbers in a string
    scanner.useLocale(Locale.US);

    while (scanner.hasNext()) {
        // check if the scanner's next token is a double
        System.out.println(scanner.hasNextDouble());
        System.out.println(scanner.next());
    }//from  ww  w  .  ja  va  2 s. c  o m
    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com ";
    Long l = 1234567890987654L;/*w  w  w.  j av  a  2  s  .  c o  m*/
    s = s + l;

    Scanner scanner = new Scanner(s);

    // use US locale in order to be able to identify long in a string
    scanner.useLocale(Locale.US);

    while (scanner.hasNext()) {
        // check if the scanner's next token is along
        System.out.println(scanner.hasNextLong());

        System.out.println(scanner.next());
    }
    scanner.close();
}

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 of world, with horizon of 10
    System.out.println(scanner.findWithinHorizon("com", 10));

    // find a string of world, with horizon of 20
    System.out.println(scanner.findWithinHorizon("=", 20));

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

    scanner.close();
}