【作业】飘-字单词统计

package piao;

import java.io.FileReader;
import java.util.Scanner;
import java.util.ArrayList;
import ci.Ci;

public class piao2 {
    public static void main(String[] args) 
    {
        ArrayList<Ci> list=new ArrayList<Ci>();
        ArrayList<String>wlist=new ArrayList<String>();
        try
        {
            FileReader frw=new FileReader("wu.txt");
            Scanner inw =new Scanner(frw);
            while(inw.hasNext())
            {
                wlist.add(inw.next());
            }
        }
        catch(Exception e)
        {
            
        }
        int flag=-1;
        int flag2=0;//1 单词 2 字母 3 单词前 4 字母前 5 退出
        int xianshi=-1,xianshi2=-1;
        String word="";
        String line="";
        try
        {
            Scanner input=new Scanner(System.in);
            FileReader fr=new FileReader("piao.txt");
            Scanner in =new Scanner(fr);
            do
            {
                
                    System.out.println("请选择：1 单词 2 字母 3 单词前n 4 字母前n 5 退出 6 短语");
                    flag2=input.nextInt();
                    if(flag2==5)
                    {
                        break;
                    }
                    if(flag2==3||flag2==4)
                    {
                        System.out.println("请输入数量：");
                        xianshi=input.nextInt();
                    }
                    if(flag2==1||flag2==3)//单词
                    {
                        in.useDelimiter("[ ",.?':;'!-]");
                        while(in.hasNext())
                        {
                            word=in.next();
                            //System.out.println(word);
                            if(ifWord(word))
                            {
                                if(ifWu(wlist,word))
                                {
                                    Ci ci=new Ci(word);
                                    //查重
                                    flag=-1;
                                    for(int i=0;i<list.size();i++)
                                    {
                                        if(equal(ci,list.get(i)))
                                        {
                                            flag=i;
                                            break;
                                        }
                                        else
                                        {
                                            flag=-1;
                                        }
                                    }
                                    if(flag>=0)
                                    {
                                        ci.setNumber(list.get(flag).getNumber()+1);
                                        list.set(flag, ci);
                                    }
                                    else
                                    {
                                        list.add(ci);
                                    }
                                }
                                
                                
                            }
                        }
                    }
                    if(flag2==2||flag2==4)
                    {
                        while(in.hasNext())
                        {
                            line=in.nextLine();
                            //System.out.println(word);
                            for(int k=0;k<line.length();k++)
                            {
                                char c=line.charAt(k);
                                if(((c>='a'&&c<='z')||(c>='A'&&c<='Z')))
                                {
                                    Ci ci=new Ci(String.valueOf(line.charAt(k)));
                                    //查重
                                    flag=-1;
                                    for(int i=0;i<list.size();i++)
                                    {
                                        if(equal(ci,list.get(i)))
                                        {
                                            flag=i;
                                            break;
                                        }
                                        else
                                        {
                                            flag=-1;
                                        }
                                    }
                                    if(flag>=0)
                                    {
                                        ci.setNumber(list.get(flag).getNumber()+1);
                                        list.set(flag, ci);
                                    }
                                    else
                                    {
                                        list.add(ci);
                                    }
                                }
                                
                            }
                                
                                
                            
                        
                        
                        
                        }
                    }
                    if(flag2==6)
                    {
                        
                    }
                    
                
                    while(in.hasNext())
                    {
                        word=in.next();
                        //System.out.println(word);
                        if(ifWord(word))
                        {
                            Ci ci=new Ci(word);
                            //查重
                            flag=-1;
                            for(int i=0;i<list.size();i++)
                            {
                                if(equal(ci,list.get(i)))
                                {
                                    flag=i;
                                    break;
                                }
                                else
                                {
                                    flag=-1;
                                }
                            }
                            if(flag>=0)
                            {
                                ci.setNumber(list.get(flag).getNumber()+1);
                                list.set(flag, ci);
                            }
                            else
                            {
                                list.add(ci);
                            }
                            
                        }
                    
                    
                    
                    }
                    /*for(int i=0;i<list.size();i++)
                    {
                        list.get(i).show();
                    }*/
                    int t,k;
                    
                    for(t=0;t<list.size()-1;t++)
                    {
                        for(k=0;k<list.size()-t-1;k++)
                        {
                            if(!DX(list.get(k),list.get(k+1)))
                            {
                                Ci ci1=new Ci(list.get(k).getWord(),list.get(k).getNumber());
                                Ci ci2=new Ci(list.get(k+1).getWord(),list.get(k+1).getNumber());
                                list.set(k, ci2);
                                list.set(k+1, ci1);
                            }
                        }
                    }
                    
                    //显示
                    if(xianshi<0)
                    {
                        xianshi2=list.size();
                    }
                    else
                    {
                        xianshi2=xianshi;
                    }
                    for(int i=0;i<xianshi2;i++)
                    {
                        list.get(i).show();
                    }
            }while(flag2!=5);
            
            
            
            
            
            
        }
        catch(Exception e)
        {
            
        }
    }

    public static Boolean DX(Ci a,Ci b)
    {
        if(a.getNumber()>=b.getNumber())
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    public static Boolean equal(Ci a,Ci b)
    {
        if(a.getWord().equals(b.getWord()))
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    public static Boolean ifWu(ArrayList<String> wlist,String s)//无用词
    {
        Boolean flag=true;
        for(int i=0;i<wlist.size();i++)
        {
            if(wlist.get(i).equals(s))
            {
                flag=false;
            }
        }
        return flag;
    }
    public static Boolean ifWord(String s)//是否为单词
    {
        Boolean flag=true;
        char c;
        if(s.equals(" ")||s.equals(""))
        {
            return false;
        }
        for(int i=0;i<s.length();i++)
        {
            c=s.charAt(i);
            if(!((c>='a'&&c<='z')||(c>='A'&&c<='Z')))
            {
                flag=false;
            }
        }
        return flag;
    }
    public static Boolean ifZiMu(char c)//是否为字母
    {
        Boolean flag=true;
        if(!((c>='a'&&c<='z')||(c>='A'&&c<='Z')))
        {
            flag=false;
        }
        return true;
    }
}