英语单词玩游戏

甲乙两个人用一个英语单词玩游戏。两个人轮流进行，每个人每次从中删掉任意一个字母，如果剩余的字母序列是严格单调递增的（按字典序a  b  c ....z)，则这个人胜利。两个人都足够聪明，甲先开始，问他能赢么？

public static void main(String[] args) {
              String str=null;
              String[] str_arr = null;
              String jia= null;
              String yi=null;
              while(true){
                  if(str == null){
                      System.out.println("请输入单词...");
                      str =new Scanner(System.in).nextLine(); 
                      char[] cunnt = str.toCharArray();
                      str  = null;
                      for(char c:cunnt){
                         if(str == null){
                             str= ""+c;
                         }else{
                             str= str + ","+c;
                         }
                      }
                       str_arr = new String[cunnt.length];
                       str_arr = str.split(",");
                  }
                  if(jia == null){
                      System.out.println("请输入甲名称...");
                      jia =new Scanner(System.in).nextLine();  
                  }
                  if(yi == null){
                      System.out.println("请输入乙单词...");
                      yi =new Scanner(System.in).nextLine();  
                  }
                  System.out.println("请输入1甲2乙/减去字母的位数...");  
                  String words=new Scanner(System.in).nextLine();  
                  String[] arr =words.split(",");
                  String str_temp = null;
                  for(int i=0;i<str_arr.length;i++){
                      String c = str_arr[i];
                      if(i  != (new Integer(arr[1]).intValue()-1)){
                          if(str_temp == null){
                              str_temp = c;   
                          }else{
                              str_temp = str_temp+","+c; 
                          }
                      }
                  }
                  String[] str_temp_arr = str_temp.split(",");
                  String[] cont = new String[]{"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"};
                  Set<Integer> one=null;
                  List<Integer> shree=null;
                  for(String str_temp_arr_value:str_temp_arr){
                     for(int i=0;i<cont.length;i++){
                         String c =cont[i];
                         if(c.equals(str_temp_arr_value)){
                             if(one  == null){
                                 one=new TreeSet<Integer>();
                                 one.add(i);
                             }else{
                                 if(one.contains(i)){
                                     if(shree == null){
                                         shree=new ArrayList<Integer>();
                                     } 
                                     shree.add(i);
                                 }else{
                                     one.add(i);
                                 }
                             }
                         }
                     } 
                  }
                  if(shree == null ){
                          StringBuffer two = null;
                          Iterator<Integer>   ite = one.iterator();
                          while(ite.hasNext()){
                                 if(two == null){
                                     two=new StringBuffer();
                                     two.append(cont[ite.next()]);
                                 }else{
                                     two.append(",").append(cont[ite.next()]);
                                 }
                                  
                          }
                          String jia_s =  arr[0];
                          if(jia_s.equals(jia)){
                              if(str_temp.length() == 1){
                                  System.out.print(jia_s+"获得胜利,当前单词为："+str_temp); 
                                  break;
                              }else  if(str_temp.equals(two.toString())){
                                  System.out.print(jia_s+"获得胜利,当前单词为："+str_temp); 
                                  break;
                              }
                          }else if(jia_s.equals(yi)){
                              if(str_temp.length() == 1){
                                  System.out.print(jia_s+"获得胜利,当前单词为："+str_temp); 
                                  break;
                              }else  if(str_temp.equals(two.toString())){
                                  System.out.print(jia_s+"获得胜利,当前单词为："+str_temp); 
                                  break;
                              }
                          }
                  }  
                  System.out.println("当前单词还剩下："+str_temp);
                  str = str_temp;
                  str_arr = str_temp.split(",");
              }
              
          }