将整数转换为六位二进制字符串。

/** from nowjava - 时代Java**/


//package com.nowjava;


public class Main {

    public static void main(String[] argv) throws Exception {

        int num = 2;

        System.out.println(to6BitBinary(num));

    }


    /**

     * Convert an integer into a six bit binary string.

     * 

     * @param num The int to convert.

     * 

     * @return A six character string that represents the int.

     */

    public static String to6BitBinary(int num) {

        StringBuilder sb = new StringBuilder();


        for (int i = 0; i < 6; i++) {

            sb.append(((num & 1) == 1) ? '1' :