数字重複のない日付探索プログラム

CalenderTest_CalenderIncrement.java

package CalenderTest;

/**
 * Created with IntelliJ IDEA.
 * User: Yutaka Fujii
 * Date: 13/04/07
 * Time: 23:20
 */
import java.util.Calendar;

public class CalenderIncrement {
        public static void main(String args[]){
            Calendar calendar = Calendar.getInstance();
            DisplayCalender dCalen = new DisplayCalender();
            ConflictCheck conflictNum = new ConflictCheck();

//            SetStart
            int startYear = 0;
            String sYear = String.format("%1$04d", startYear);
            int startMonth = 1;
            String sMonth = String.format("%1$02d", startMonth);
            int startDay = 1;
            String sDay = String.format("%1$02d", startDay);
            String totalStart = sYear+sMonth+sDay;
            int startDate = Integer.parseInt(totalStart);

//            SetFinish
            int finishYear = 2020;
            String fYear = String.format("%1$04d", finishYear);
            int finishMonth = 12;
            String fMonth = String.format("%1$02d", finishMonth);
            int finishDay = 31;
            String fDay = String.format("%1$02d", finishDay);
            String totalFinish = fYear+fMonth+fDay;
            int finishDate = Integer.parseInt(totalFinish);

//            カウンター
            int counter = 0;

            calendar.set(startYear,startMonth-1,startDay-1);
            dCalen.formatCalendar(calendar);

            System.out.println(startYear+"年"+startMonth+"月"+startDay+"日"+"から");
            System.out.println(finishYear+"年"+finishMonth+"月"+finishDay+"日"+"までの間で数字の被らない日付は下記の通りです。\n");

            for(int i=0;;i++){
                calendar.add(Calendar.DAY_OF_MONTH,1);
////                何の数を把握しているか確認する
////                System.out.println("F"+dCalen.formatCalendar(calendar));
//                System.out.println("D"+dCalen.dispCalendar(calendar));
//
                String totalConflictCheck = conflictNum.cofChk(String.valueOf(dCalen.dispCalendar(calendar)));
//              true or false
//                System.out.println(totalConflictCheck);

                if(totalConflictCheck.matches("true")){
//                    System.out.println("×");
                } else {
//                    System.out.print(dCalen.formatCalendar(calendar)+" ");
                    System.out.print(dCalen.stCalendar(calendar)+" ");
                    counter++;
                    if(counter%10 == 0) System.out.println();
                }

                if(dCalen.formatCalendar(calendar) == finishDate) break;
            }
            System.out.println("です");
        }
}

CalenderTest_ConflictCheck.java

package CalenderTest;

/**
 * Created with IntelliJ IDEA.
 * User: Yutaka Fujii
 * Date: 13/04/08
 * Time: 0:01
 */
public class ConflictCheck {
    String cofChk(String argument){
        String str = argument;
        boolean flg=false;
        String[] confcheck = new String[argument.length()];

        for(int i=0;i<argument.length();i++){
            confcheck[i] = Character.toString(argument.charAt(i));
        }
        for(int i = 0;i<argument.length();i++){
            for(int j =i+1;j<argument.length();j++){
//              String同士を比較
                if(confcheck[i].matches(confcheck[j])){
                    flg=true;
                }
            }
        }
        if(flg){
//            重複
            str = String.valueOf(flg);
        } else {
//            大丈夫
            str = String.valueOf(flg);
        }
        return str;
    }
}

CalenderTest_DisplayCalender.java

package CalenderTest;

import java.util.Calendar;

/**
 * Created with IntelliJ IDEA.
 * User: Yutaka Fujii
 * Date: 13/04/07
 * Time: 23:38
 */
public class DisplayCalender {
    int formatCalendar(Calendar calendar) {
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH)+1;
        int day = calendar.get(Calendar.DATE);

        String sYear = String.format("%1$04d", year);
        String sMonth = String.format("%1$02d", month);
        String sDay = String.format("%1$02d", day);

        String s = sYear+sMonth+sDay;
        int calenderResult = Integer.parseInt(s);
        return calenderResult;
    }

    int dispCalendar(Calendar dispcal) {
        int year = dispcal.get(Calendar.YEAR);
        int month = dispcal.get(Calendar.MONTH)+1;
        int day = dispcal.get(Calendar.DATE);

//        System.out.println(year+"年");
//        System.out.println(month+"月");
//        System.out.println(day+"日");
        String disString = String.valueOf(year)+String.valueOf(month)+String.valueOf(day);
        int calenderResult = Integer.parseInt(disString);
        return calenderResult;
    }

    String stCalendar(Calendar stCal) {
        int year = stCal.get(Calendar.YEAR);
        int month = stCal.get(Calendar.MONTH)+1;
        int day = stCal.get(Calendar.DATE);

//        System.out.println(year+"年");
//        System.out.println(month+"月");
//        System.out.println(day+"日");
        String disString = String.valueOf(year)+"年"+String.valueOf(month)+"月"+String.valueOf(day)+"日";
        String calenderResult = disString;
        return calenderResult;
    }
}