Example usage for java.util InputMismatchException InputMismatchException

Introduction

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

Prototype

public InputMismatchException() 

Source Link

Document

Constructs an InputMismatchException with null as its error message string.

Usage

From source file:by.bsu.zmiecer.PieChartDemo1.java

/**
 * Creates a sample dataset./*w ww  .j  av a 2s .c o m*/
 * 
 * Source: http://www.bbc.co.uk/news/business-15489523
 *
 * @return A sample dataset.
 */
private PieDataset createDataset() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    try {

        File file = new File(
                "C:\\Users\\\\\\GitHub\\BSU\\2 course\\Practical Training\\Week 5\\Task53\\input.txt");
        Scanner sc = new Scanner(file);
        while (sc.hasNext()) {
            String name;
            if (sc.hasNext())
                name = sc.next();
            else
                throw new InputMismatchException();
            Double val;
            if (sc.hasNext()) {
                val = Double.valueOf(sc.next());
                if (val < 0)
                    throw new NumberFormatException();
            } else
                throw new InputMismatchException();
            dataset.setValue(name, val);
        }
    } catch (FileNotFoundException e) {
        JOptionPane.showMessageDialog(getParent(), "File not found!");
    } catch (InputMismatchException e) {
        JOptionPane.showMessageDialog(getParent(), "Enter corret data!");
    } catch (NumberFormatException e) {
        JOptionPane.showMessageDialog(getParent(), "Enter corret data!");
    }
    return dataset;
}

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From source file:com.okta.tools.awscli.java

private static int numSelection(int max) {
    Scanner scanner = new Scanner(System.in);

    int selection = -1;
    while (selection == -1) {
        //prompt user for selection
        System.out.print("Selection: ");
        String selectInput = scanner.nextLine();
        try {/*from  w  ww. ja  v  a 2s  . c om*/
            selection = Integer.parseInt(selectInput) - 1;
            if (selection >= max) {
                InputMismatchException e = new InputMismatchException();
                throw e;
            }
        } catch (InputMismatchException e) {
            //raised by something other than a number entered
            logger.error("Invalid input: Please enter a number corresponding to a role \n");
            selection = -1;
        } catch (NumberFormatException e) {
            //raised by number too high or low selected
            logger.error("Invalid input: Please enter in a number \n");
            selection = -1;
        }
    }
    return selection;
}

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