public class PowersOfTwo
extends Object
Compilation: javac PowersOfTwo.java
Execution: java PowersOfTwo N
This program takes a command-line argument N and prnts a table of
the powers of 2 that are less than or equal to 2^N.
% java PowersOfTwo 5
0 1
1 2
2 4
3 8
4 16
5 32
% java PowersOfTwo 6
0 1
1 2
2 4
3 8
4 16
5 32
6 64
Remarks
------------
Only works if 0 <= N < 31 since 2^31 overflows an int.