JAVA 位操作

public class App {    public static void main(String[] args) {        System.out.println(1 << 1);        System.out.println(2 << 1);        System.out.println(3 << 1);        System.out.println(4 << 1);        System.out.println(5 << 1);        System.out.println(6 << 1);        System.out.println(7 << 1);        System.out.println(8 << 1);        /*        2        4        6        8        10        12        14        16         */    }}