Example usage for java.util Scanner hasNext

Introduction

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

Prototype

public boolean hasNext()

Source Link

Document

Returns true if this scanner has another token in its input.

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);

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

        System.out.println(scanner.next());
    }/*from   w w w. ja v 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 true ";

    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {
        if (scanner.hasNextShort()) {
            System.out.println("Found :" + scanner.nextShort(4));
        }//from   w w  w  .  j av a  2  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 ";

    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {

        if (scanner.hasNextInt()) {
            System.out.println("Found :" + scanner.nextInt());
        }/*from  www  .ja  v  a  2s  .  com*/
        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";

    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());
        }//from  w  w  w . ja va 2 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 ";

    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));
        }/*from   ww w . j  ava 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  true";

    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {

        // if the next is BigInteger, print "Found" and the Integer
        if (scanner.hasNextBigInteger()) {
            System.out.println("Found :" + scanner.nextBigInteger());
        }/*  w w  w  .  j ava  2  s. co m*/

        // if a BigInteger is not found, print "Not Found" and the token
        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;//from  w  ww .j  a  v  a  2 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 = "Hello true World! 1 + 1 = 2.0 ";

    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {

        // if the next is boolean, print found and the boolean
        if (scanner.hasNextBoolean()) {
            System.out.println("Found :" + scanner.nextBoolean());
        }//w  ww. j  a  v a  2  s  . c  o  m

        // if a boolean is not found, print "Not Found" and the token
        System.out.println("Not Found :" + scanner.next());
    }
    scanner.close();
}

From source file:Main.java

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

    Console cnsl = System.console();

    if (cnsl != null) {
        System.out.print("Enter name : ");
        Scanner scan = new Scanner(cnsl.reader());
        while (scan.hasNext()) {
            String str = scan.next();
            System.out.println(str);
        }/*ww  w.  jav a 2  s.  c om*/
    }
}

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 BigDecimal, print found and the decimal
        if (scanner.hasNextBigDecimal()) {
            System.out.println("Found :" + scanner.nextBigDecimal());
        }//from   w  w w. j a  v  a2  s .  com

        // if a BigDecimal is not found, print "Not Found" and the token
        System.out.println("Not Found :" + scanner.next());
    }

    scanner.close();
}