编辑代码

import java.util.*;
import java.util.Scanner;
public class HexiacosadecimalNumber{
   

//attributes
    //public 
   // public String stringRepresentation;
   // public double doubleRepresentation;

/** constructors*/
    public HexiacosadecimalNumber(){}
    /*public HexiacosadecimalNumber(double doubleRepresentation){
        this.doubleRepresentation = doubleRepresentation;
    }
    public HexiacosadecimalNumber(String stringRepresentation){
        this.stringRepresentation = stringRepresentation;
    }*/
  	 public void paopao(String stringtemp)
    {
        //ringRepresentation;
        double temp = 0;
        double dottemp = 0;
        int dotindex = 0;
        int fuFlag = 0;
        int i = 0;
        int dotflag = 0;
        if(stringtemp.charAt(i) == '-')
        {
            i++;
            fuFlag = 1;
        }
        else
           fuFlag = 0; 
        //while((stringtemp.charAt(i) != '.') && (stringtemp.length()-i-1 != 0))
        for(;i<stringtemp.length();i++)
	   {
           if(stringtemp.charAt(i) == '.')
           {
               dotindex = i;
               dotflag = 1;
               continue;
           }
           if(dotflag == 0)
          // System.out.println(stringtemp.charAt(i));
                temp = (temp*26)+((double)(stringtemp.charAt(i) -'a'));
            else
            {
                double tempdouble1 = (double)(stringtemp.charAt(i) -'a');
                for(int j=0;j<i-dotindex;j++)
                {
                    tempdouble1 /= 26;
                }
                //System.out.println(tempdouble1);
                //dottemp = (dottemp/ 26)+((double)(stringtemp.charAt(i) -'a'));
                dottemp += tempdouble1 ;
            }
       }      
        temp = temp + dottemp;
        if(fuFlag == 0)       
            System.out.println(stringtemp+"("+temp+")");
        else
            System.out.println(stringtemp+"(-"+temp+")");
    }
    public String change(double dub)
    {
        String str;
        str = String.valueOf(dub);
        return str;

    }
     public void momo(double doubleRepresentation) 
     {
        int fuFlag = 0;
        
        int dotflag = 0;
        String allNum = change(doubleRepresentation);
        //System.out.println(allNum);
        String intNum="";
        String dotNum="";
        for(int i=0;i<allNum.length();i++)
        {
            if(allNum.charAt(i) != '.')
                continue;
            else
            {
                dotflag = 1;
                break;
            }    
        }
        if(dotflag == 1)
        {
            intNum = allNum.substring(0,allNum.indexOf('.'));
            dotNum = allNum.substring(allNum.indexOf('.')+1);
        }
        else
        {
            intNum = allNum.substring(0);
            dotNum = "";
        }
        
        String coutint="";
        int doubleintNum = 0;
        for(int i=0;i<intNum.length();i++)
        {
            doubleintNum = doubleintNum * 10 + ((int)(intNum.charAt(i) - '0'));
        }
        //System.out.println(doubleintNum);
        while(doubleintNum != 0)
        {
            String tempstr = "";
            tempstr += (char)((doubleintNum % 26) + 'a');
            doubleintNum /=26;
            tempstr += coutint;
            coutint = tempstr.setUserInput(0);
        }
        System.out.println(coutint);

        //System.out.println(intNum + " --- " + dotNum);
        // toString 需要重写
        //String strtemp = toString(doubleRepresentation);
       /* if(strtemp.charAt(i) == '-')
        {
            fuFlag = 1;
            i++;
        }
        else
        {
            fuFlag = 0;
        }
        for(;i<strtemp.length();i++)
        {
            if(strtemp.charAt(i) == '.')
            {
                dotindex = 1;
                dotflag = 1;
                continue;
            }
            if(dotflag == 0)
            {
                //整数部分
                
            }
            else
            {

            }    
        }*/
     }  
    
    public void setUserInput(){
            while(true){
				Scanner input = new Scanner(System.in);
				char charflag;
                while(true)
                {
					
					String ch;
					//char ch=(char)System.in.read();  
                    System.out.println("Please enter 'h' to convert from Hexiacosadecimal to decimal, or 'd' to convert from decimal to Hexiacosadecimal.");
                    //scan.hasNext（）;
					ch = input.next();
					charflag = ch.charAt(0);
					//charflag= ch;
                    if((charflag!='h')&&(charflag!='H')&&(charflag!='d')&&(charflag!='D')&&(charflag != 'q') && (charflag != 'Q'))
                    {
                        System.out.println("INVALID INPUT");
                    }
                    else
                    {
                        break;
                    }
                }
                if (charflag == 'h'|| charflag == 'H'){
                       String strtemp;
					//canner input1 = new Scanner(System.in);
						System.out.println("Please enter your hexiacosadecimal number: ");
                        // input.next(); 
                        
                       strtemp = input.next();
                       //this.stringRepresentation = stringRepresentation;
                      // System.out.println(strtemp);
                       paopao(strtemp);
                  }
                 else if(charflag == 'd' || charflag == 'D')
                 {
					 double doubleRepresentation;
					 //Scanner input2 = new Scanner(System.in);
                     System.out.println("Please enter your decimal number: ");
                     doubleRepresentation = input.nextDouble();
                     momo(doubleRepresentation);
                 }
                 else
                 {
                     break;
                 }
            }
    }
	 public static void main(String[] args)
    {
        HexiacosadecimalNumber myHexiacosadecimalNumber = new HexiacosadecimalNumber();
        myHexiacosadecimalNumber.setUserInput();
		
	    
       
        

    }
}