# 053 TestShiftOP.java上課沒講
public class TestShiftOP {

public static void main(String[] args) {
int num = 1;
System.out.println("2的1次方 = " + (num << 1));
System.out.println("2的2次方 = " + (num << 2));
System.out.println("2的3次方 = " + (num << 3));
}

}