code test.rtf

{\rtf1\ansi\ansicpg936\cocoartf2638
\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\froman\fcharset0 Times-Roman;}
{\colortbl;\red255\green255\blue255;\red0\green0\blue0;}
{\*\expandedcolortbl;;\cssrgb\c0\c0\c0;}
\paperw11900\paperh16840\margl1440\margr1440\vieww28600\viewh15220\viewkind0
\deftab720
\pard\pardeftab720\partightenfactor0

\f0\fs24 \cf0 \expnd0\expndtw0\kerning0
\outl0\strokewidth0 \strokec2 \
\pard\pardeftab720\partightenfactor0

\fs32 \cf0 #Stage 1\
\
\pard\pardeftab720\partightenfactor0
\cf0 \strokec2 import java.util.*;\
import org.apache.commons.lang3.StringUtils;\
public class Main\{\
    public static void main(String[] agrs)\{\
        Scanner in = new Scanner(System.in);\
        String str=in.nextLine();\
        String pattern="([a-z])(\\1)\{2,\}";\
        Pattern p=Pattern.compile(pattern);\
        while(true)\{\
            Matcher matcher=p.matcher(str);\
            String a="";\
            while(matcher.find())\{\
                a = matcher.group();\
                str = str.replaceAll(a,"");\
                System.out.println(str);\
            \}\
            if(StringUtils.isBlank(a))\{\
                break;\
            \}\
        \}  \
    \} \
\}
\fs24 \outl0\strokewidth0 \
\pard\pardeftab720\partightenfactor0

\fs32 \cf0 \outl0\strokewidth0 \strokec2 \
\
\pard\pardeftab720\partightenfactor0

\fs24 \cf0 \
\pard\pardeftab720\partightenfactor0

\fs32 \cf0 #Stage 2\
\
import java.util.*;\
import org.apache.commons.lang3.StringUtils;\
public class Main\{\
    public static void main(String[] agrs)\{\
        Scanner in = new Scanner(System.in);\
        String str=in.nextLine();\
        String pattern="([a-z])(\\1)\{2,\}";\
        Pattern p=Pattern.compile(pattern);\
        String wordStr="abcdefghijklmnopqrstuvwxyz\'94;\
        while(true)\{\
            Matcher matcher=p.matcher(str);\
            String a="";\
            String b="";\
            while(matcher.find())\{\
                a = matcher.group();\
                int index=wordStr.indexOf(a.charAt(0));\
                if(index>0)\{\
                    b=String.valueOf(wordStr.charAt(index - 1));\
                    str=str.replaceAll(a,b);\
                \}else if(index>-1)\{\
                    b=String.valueOf(a.charAt(0));\
                    str=str.replaceAll(a,"");\
                \}\
                System.out.println(str + ",  " + a +" is replaces by "+b);\
            \}\
            if(StringUtils.isBlank(a))\{\
                break;\
            \}\
        \}\
    \} \
\}
\fs24 \
}