BinaryDumpTest

package test01;
public class BinaryDumpTest {

	public static void main(String[] args) {
		System.out.print("Integer.MAX_VALUE : ");
		binaryDump(Integer.MAX_VALUE);
		System.out.print("Integer.MIN_VALUE : ");
		binaryDump(Integer.MIN_VALUE);
		System.out.print("-1 : ");
		binaryDump(-1);
		for (int i = 1; i <= 32; i++){
			System.out.printf("-1 >> %2d: ", i);
			binaryDump(-1 >> i);
		}
		for (int i = 1; i <= 32; i++){
			System.out.printf("-1 >>> %2d : ", i);
			binaryDump(-1 >>> i);
		}
	}

	static void binaryDump(int n) {
		String s = Integer.toBinaryString(n);
		s = String.format("%32s", s);
		s = s.replaceAll(" ", "0");
		s = s.replaceAll("(\\d{8})", "$1 ");
		System.out.println(s);
	}
}