高手啊，有没有人可以教我做JAVA程序啊

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汗，真是不知道怎么写，同学找了个哥哥，3个小时就搞定了，我编了3天，还有100多个错，可怕啊
: ~2 k* Y" w6 V% g; j有没有高手帮我哦，周5就要交了，我的邮箱是[email protected],谢谢啦
- P9 X' v; S8 T$ z) fRequirements:  
) U3 d# i! D2 |2 R, B4 z, ?3 eConsider the three Java Classes: Borrow, RepayCalc and RepayCalcMenu, available from the  
3 o" I! z# f% K' d, n7 h4 eAssignment 2 page on Vista.  
  
$ ~2 @( x- E8 l& r! z* a4 GYou are required to perform the following tasks:  
2 }# }; S, `1 [  
The RepayCalcMenu class: (Total maximum 20 marks available)  

$ x* r' k0 j) {6 f$ K7 q- S      1.   Provide a basic text-based interface to a Repayment Calculator for the Megalodon  
3 K7 n, k6 R9 a; W* Z& p7 W4 [           Finance Company so that it can be used by the Megalodon staff members to  
           determine repayment options for their clients.  

           The staff must be able to:  
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           *    Log on to the ‘system’ using their user name and a Personal Identification  
                Number (PIN), which a four digit number **.   

6 f6 q8 b/ ~$ o8 q' |  I: H                   *    The user should not be able to use the ‘system’ until they have provided the  
                        correct user name and PIN combination. You should give them a second or  
                        third chance to get it right before shutting the ‘system’ down.   
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) {) \& P/ T. _1 `& a  
                  
                ** You must use the user names and passwords provided in your individual  

5 `5 W1 u) z  \+ w" s( ^7 B" t3 ?                data available from the Assignment 2 page on Vista (see requirement 5 below).  
5 z& w: l5 T1 P6 s$ ?                The user names and passwords should be included in your code, and the output  
8 D' p. ]8 {3 t4 _* u2 K" y: h: g# Q                to the screen should prompt the user with the user names and passwords (for  

                marking purposes).  

                  
( T/ A. m# y* O+ D' ]' g            
3 `* P& P' W+ \*    The interface should provide a menu so that the staff can:  
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                -    Perform a Repayment calculation  
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9 }, {) y8 M( o( J( b( r& j                -    Print out to the screen the Repayment details  

                -     Change one, two, or all of the values for the current calculation  
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4 K2 P1 \. S. j9 e. N5 Q: S8 H% `                -     Start a new calculation   

                -    Leave the program.  
- p$ k) H$ J! ?( }2 [: UThe RepayCalc class: (Total maximum 10 marks available)  

/ F) V& F/ m3 J! O/ B. a     2.    Provide a method to accept three input values from the user:   

$ t# _; H7 o+ A/ _                -     the Amount to be Borrowed (to 2 decimal places, for example, 10550.00)  

                -     the Annual Interest Rate (to 2 decimal places, for example, 9.75)  

. R+ L. `* h) ]0 [                -     the Period of Repayment (in whole Years, that is, no fractions of a year)  
$ \# b, w+ g% s/ h
      3.   Provide a method to print out to the screen the three input values (accepted in  
/ x& o, Z5 K* s' K6 B           requirement 2), plus the repayment calculations:  

0 y2 H7 e9 j1 U7 b                -     the Weekly repayments  

$ e3 D2 Y( ^5 q: v( @  O: q                -     the Total repayment amount (Amount borrowed + Interest)  
/ j( L! f" c- m- r
  

The Borrow class: (Total maximum 40 marks available)   
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7 I6 \6 W9 z4 F+ L$ c" B     4.    Provide methods to perform the following tasks:  

6 Y& c0 U1 j2 @" j3 ^9 l' T5 {# t                -     to calculate the weekly repayments ***  
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                -     to calculate the total repayment amount  

                -     to return the amount borrowed  

% r1 I! O+ Q' H0 Z0 a7 G" O$ W                -     to return the borrowing period in years  
2 [* _" E7 Q8 n0 R" Q
                -     to return the borrowing period in weeks  

                -     to return the annual interest rate  

                -     to return the weekly repayments  

                -     to return the total repayment amount   
1 p8 e9 v: b$ l& N4 D2 C3 ^+ r
                -     to reset the loan amount  

                -     to reset the annual interest rate  
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                -     to reset the loan period (in years)   

      

               
      
              *** Use a simple interest calculation (not compound) formula, for example:   
* o$ J) p1 Q+ u      
             weeklyRepayment = (borrowedAmount * 1 + (annualInterestRate *  
& Y9 j, e; {/ t             numberOfYears )) / numberOfPayments;  
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1 t1 B, J. M; `      

Individual Data (Maximum 10 marks available)  
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      5.   You will be given two Megalodon staff member user names and passwords, plus a set  
; ]) n- y7 y  f6 E1 I) ^1 A9 x           of data for each staff member to use to calculate repayment details. You will need to  
% T( b3 _! k! `7 I# K. i3 x7 E           log onto the BSA104 Assignment 2 page on Vista to generate your individual data  
           and instructions for this requirement. You will need to use your University of  
           Tasmania (UTas) student number.  
% G5 b9 {5 O8 R" b            

1 r$ e/ U% A& o! Q7 w* M- R% C                                                        Page 2 of 5  
$ s3 D0 A& ]- w; J
For requirement 5 use the following data:
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1 A, J6 C2 \( m( U# Data Set 1:

User name: JordanM
5 a1 \; [9 W! ]) ~5 ^' R% i0 f- xPassword:  Ferrari
Borrowed: $ 749.95
1 m9 |: @  s0 h( BInterest:    15.0 %
Years:      4
  C9 t. u+ X5 q' `
# Data Set 2:
5 z8 f' C) `  V$ W) q' ~
User name: KimZ
Password:  DimSim
Borrowed: $ 150500.25
Interest:    5.5 %
Years:      7
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+ v: g- Q  H7 n- {5 U, @- H[ 本帖最后由 wwwsnailcom 于 2006-5-24 02:15 AM 编辑 ]

wwwsnailcom

怎么也没有里我啊，高手来呀

rulingdanny

哦 对不起 爱莫能助。