算法Sedgewick第四版-第1章基础-019一Scanner的用法

package algorithms.fundamentals001;

import java.util.Locale;
import java.util.Scanner;

import algorithms.util.StdIn;

public class IsEquals {

    // assume Unicode UTF-8 encoding
    private static final String CHARSET_NAME = "UTF-8";

    // assume language = English, country = US for consistency with System.out.
    private static final Locale LOCALE = Locale.US;
    
    private static Scanner scanner;
    // do this once when StdIn is initialized
    static {
        resync();
    }
    /**
     * If StdIn changes, use this to reinitialize the scanner.
     */
    private static void resync() {
        setScanner(new Scanner(new java.io.BufferedInputStream(System.in), CHARSET_NAME));
    }
    
    private static void setScanner(Scanner scanner) {
        IsEquals.scanner = scanner;
        IsEquals.scanner.useLocale(LOCALE);
    }
    
    public static void main(String[] args) {
//        int a = scanner.nextInt();
//        int b = scanner.nextInt();
//        int c = scanner.nextInt();
//        System.out.println(a==b && b==c);
        double a = scanner.nextDouble();
        double b = scanner.nextDouble();
        System.out.println((a > 0.0 && a < 1.0) && (b > 0.0 && b < 1.0));
    }
}