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 true 9000000000000000000000L";

    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {
        System.out.println("Not Found :" + scanner.next());
        if (scanner.hasNextLong()) {
            System.out.println("Found :" + scanner.nextLong(20));
        }//from ww w . j  a  va  2s  . c  om
    }
    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 (scanner.hasNextInt()) {
            System.out.println("Found :" + scanner.nextInt());
        }/*w w  w.  j  a va 2  s. co  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 1 + 1 = 2.0 ";

    Scanner scanner = new Scanner(s);

    // check if next token is "java"
    System.out.println(scanner.hasNext("java"));

    // find the last match and print it
    System.out.println(scanner.match());

    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 (scanner.hasNextShort()) {
            System.out.println("Found :" + scanner.nextShort(4));
        }/*  w ww  .j a  va2 s .  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 1 + 1 = 2.0 true ";
    Long l = 123456789098765432L;
    s = s + l;// w ww .ja  v  a2 s . c  o  m

    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {

        System.out.println("Not Found :" + scanner.next());

        if (scanner.hasNextLong()) {
            System.out.println("Found :" + scanner.nextLong());
        }
    }
    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);

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

    // change the delimiter of this scanner
    scanner.useDelimiter(Pattern.compile(".ll."));

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

    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com 1 + 1 = 2.0 true ";
    Float f = 1.2385f;//from  ww  w  .  j av a 2 s.c o m
    s = s + f;

    Scanner scanner = new Scanner(s);

    scanner.useLocale(Locale.US);

    while (scanner.hasNext()) {
        scanner.next();
        if (scanner.hasNextFloat()) {
            System.out.println("Found :" + scanner.nextFloat());
        }
    }

    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());

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

    // change the radix of the scanner
    scanner.useRadix(32);//from   w  w  w  .j  a v  a2 s. c om

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

    scanner.close();
}

From source file:LogTest.java

public static void main(String[] args) throws IOException {
    String inputfile = args[0];//from ww w .j  a  v a2  s . co  m
    String outputfile = args[1];

    Map<String, Integer> map = new TreeMap<String, Integer>();

    Scanner scanner = new Scanner(new File(inputfile));
    while (scanner.hasNext()) {
        String word = scanner.next();
        Integer count = map.get(word);
        count = (count == null ? 1 : count + 1);
        map.put(word, count);
    }
    scanner.close();

    List<String> keys = new ArrayList<String>(map.keySet());
    Collections.sort(keys);

    PrintWriter out = new PrintWriter(new FileWriter(outputfile));
    for (String key : keys)
        out.println(key + " : " + map.get(key));
    out.close();
}

From source file:ScanXan.java

public static void main(String[] args) throws IOException {
    Scanner s = null;
    try {//  w  ww.j a v a 2s. c o  m
        s = new Scanner(new BufferedReader(new FileReader("xanadu.txt")));

        while (s.hasNext()) {
            System.out.println(s.next());
        }
    } finally {
        if (s != null) {
            s.close();
        }
    }
}