高手啊，有没有人可以教我做JAVA程序啊

wwwsnailcom

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
有没有高手帮我哦，周5就要交了，我的邮箱是[email protected],谢谢啦
Requirements:  
Consider the three Java Classes: Borrow, RepayCalc and RepayCalcMenu, available from the  
Assignment 2 page on Vista.  
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You are required to perform the following tasks:  
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4 A- i1 {1 r9 s1 ]: sThe RepayCalcMenu class: (Total maximum 20 marks available)  

  t) r( g4 G% T' k      1.   Provide a basic text-based interface to a Repayment Calculator for the Megalodon  
           Finance Company so that it can be used by the Megalodon staff members to  
0 g; W( s, M8 C& [9 b) ^; R# b           determine repayment options for their clients.  

           The staff must be able to:  

           *    Log on to the ‘system’ using their user name and a Personal Identification  
2 t; s% g2 j8 n6 H! i                Number (PIN), which a four digit number **.   

                   *    The user should not be able to use the ‘system’ until they have provided the  
, L( ]0 p9 e2 }( |% B                        correct user name and PIN combination. You should give them a second or  
9 o0 F5 T  P- F. D6 m                        third chance to get it right before shutting the ‘system’ down.   
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                ** You must use the user names and passwords provided in your individual  
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                data available from the Assignment 2 page on Vista (see requirement 5 below).  
                The user names and passwords should be included in your code, and the output  
. P) w; s: ]+ Q! _- X                to the screen should prompt the user with the user names and passwords (for  
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( l  v( f+ w( `, a) H+ W. I                marking purposes).  

                  
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( z, d0 G% z" N" _# G( @! R/ K*    The interface should provide a menu so that the staff can:  
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$ x9 M8 o* i: p2 Y7 H                -    Perform a Repayment calculation  
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                -    Print out to the screen the Repayment details  
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                -     Change one, two, or all of the values for the current calculation  

+ p4 X" C0 v' J, z- v* J3 e' x. g- p" q                -     Start a new calculation   
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! L0 y. S7 e" ~7 z+ X0 y                -    Leave the program.  
The RepayCalc class: (Total maximum 10 marks available)  
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     2.    Provide a method to accept three input values from the user:   

' c; B; L( i% ?                -     the Amount to be Borrowed (to 2 decimal places, for example, 10550.00)  
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3 O0 t( F2 g' j2 f9 Q/ l! s                -     the Annual Interest Rate (to 2 decimal places, for example, 9.75)  

                -     the Period of Repayment (in whole Years, that is, no fractions of a year)  

1 y4 u0 A! k6 }& }, n# i      3.   Provide a method to print out to the screen the three input values (accepted in  
           requirement 2), plus the repayment calculations:  
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# C  L% ]! y. C) C                -     the Weekly repayments  

: q/ F: Y# m* p- O3 y                -     the Total repayment amount (Amount borrowed + Interest)  

  
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The Borrow class: (Total maximum 40 marks available)   

     4.    Provide methods to perform the following tasks:  
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                -     to calculate the weekly repayments ***  

: b$ h: W* _# S0 W' [                -     to calculate the total repayment amount  

. z  b3 i, c1 ]$ q! o                -     to return the amount borrowed  
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# V' \, ?) f8 o" D* C: o: y2 S                -     to return the borrowing period in years  
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5 C7 W  P8 T8 M/ S2 E                -     to return the borrowing period in weeks  

( m* h  n3 I7 K8 S/ ]5 _# K                -     to return the annual interest rate  

9 o! q4 d- ]3 @* P1 t" k                -     to return the weekly repayments  

" g3 b& r" s! y9 Y5 f9 e5 v, P                -     to return the total repayment amount   
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                -     to reset the loan amount  
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, F7 j, p' J' [7 J- n+ o# r! d                -     to reset the annual interest rate  

3 K" H: ^, B# m7 k) ~5 v                -     to reset the loan period (in years)   

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) |# u+ ]% K4 h; z1 I0 d4 I/ P              *** Use a simple interest calculation (not compound) formula, for example:   
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             weeklyRepayment = (borrowedAmount * 1 + (annualInterestRate *  
0 g7 Z; ^) j: z, r5 P             numberOfYears )) / numberOfPayments;  
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2 h' E# X- ~7 m$ u6 vIndividual Data (Maximum 10 marks available)  

- D: K, `1 Y' V* G  r: X( @      5.   You will be given two Megalodon staff member user names and passwords, plus a set  
           of data for each staff member to use to calculate repayment details. You will need to  
3 v/ m9 Y, V0 X           log onto the BSA104 Assignment 2 page on Vista to generate your individual data  
: G& {( r" K0 n( O9 ~; \7 Z           and instructions for this requirement. You will need to use your University of  
           Tasmania (UTas) student number.  
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                                                        Page 2 of 5  
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For requirement 5 use the following data:
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# Data Set 1:

/ v1 K* P+ Q( \* |( xUser name: JordanM
Password:  Ferrari
Borrowed: $ 749.95
Interest:    15.0 %
Years:      4
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1 \5 B; d' L" v* K+ O& w7 Y$ v# Data Set 2:

User name: KimZ
Password:  DimSim
Borrowed: $ 150500.25
6 t& a& z2 V! V* v+ R3 l& B, D/ ZInterest:    5.5 %
Years:      7
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[ 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。