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
) y7 R) [, }4 R5 {有没有高手帮我哦，周5就要交了，我的邮箱是[email protected],谢谢啦
+ g4 m0 c+ }3 J% S+ d3 v! A9 XRequirements:  
% w  R3 _0 O( P. P! R2 lConsider the three Java Classes: Borrow, RepayCalc and RepayCalcMenu, available from the  
Assignment 2 page on Vista.  
  
You are required to perform the following tasks:  
  
The RepayCalcMenu class: (Total maximum 20 marks available)  

* ?% h+ U9 |" D* X" v8 X      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  
) f0 G1 L- z( O3 F7 K           determine repayment options for their clients.  
3 |# \  w7 }/ H2 o* j/ [
; {; P% d+ `. R  ~; D$ ?) w           The staff must be able to:  

           *    Log on to the ‘system’ using their user name and a Personal Identification  
* y. e& A3 R0 k0 T" n4 ~                Number (PIN), which a four digit number **.   

                   *    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  
# O+ Y) W' b3 c: ~) ?; B! I( v                        third chance to get it right before shutting the ‘system’ down.   

  
$ ^  x  Z' y0 V+ B$ x                  
' b) U1 y! P  e2 G1 y- h                ** You must use the user names and passwords provided in your individual  

" D6 B: X/ z6 t, m  {                data available from the Assignment 2 page on Vista (see requirement 5 below).  
# Z! a1 v8 h' ^0 E5 g- e* T' {                The user names and passwords should be included in your code, and the output  
5 }9 J" Y# ~* {$ q% a% d! }                to the screen should prompt the user with the user names and passwords (for  

                marking purposes).  

                  
            
*    The interface should provide a menu so that the staff can:  
8 R% L0 ^/ ?7 {& B2 d
! I9 G. K4 g& u  L                -    Perform a Repayment calculation  
, {& _6 k+ y5 P  A" L, s% T4 y7 M6 p
                -    Print out to the screen the Repayment details  

* c6 Y7 ]5 [( ]0 R2 h" x                -     Change one, two, or all of the values for the current calculation  
* V& m0 d$ s8 g
                -     Start a new calculation   

                -    Leave the program.  
7 d3 V  }+ j0 \( m8 L; g+ n- DThe RepayCalc class: (Total maximum 10 marks available)  
  y- M1 P( V+ E  V" a. H5 {
     2.    Provide a method to accept three input values from the user:   
+ ]+ w( K3 p# p# \' ~
                -     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)  

                -     the Period of Repayment (in whole Years, that is, no fractions of a year)  
9 |! d5 Y4 v( [# O: g2 e9 o- w
+ S8 E1 M7 c( ?6 o2 M5 N( U      3.   Provide a method to print out to the screen the three input values (accepted in  
3 u6 _7 X: @9 k* C+ Y3 y$ r8 i. O           requirement 2), plus the repayment calculations:  
4 Q: C* _$ }2 d& o/ i
                -     the Weekly repayments  
* e& N2 w1 l1 l6 W/ J  Y4 P
$ X4 W+ U; l/ S                -     the Total repayment amount (Amount borrowed + Interest)  
$ S6 o, r5 u2 y' L) [. ?
5 y1 W) f, Y9 Q" a" W6 n5 b! `  

The Borrow class: (Total maximum 40 marks available)   

     4.    Provide methods to perform the following tasks:  

                -     to calculate the weekly repayments ***  

                -     to calculate the total repayment amount  
9 t% u8 R7 u  a- d
: a, h! ^( k4 Z; o( H' ~                -     to return the amount borrowed  
, d8 f) P0 _, Y( Z) \' f! k
" y! i: d0 o" q- d, `, A                -     to return the borrowing period in years  

                -     to return the borrowing period in weeks  

                -     to return the annual interest rate  
" r) p( \9 Z3 ?0 s' G
: m3 Q2 F' e! c- F& O                -     to return the weekly repayments  
% V. f5 S! Q: [; q8 D
                -     to return the total repayment amount   
  R2 \% }3 S) u0 U3 j3 P- F- Y+ r2 r" ~
8 u. d" n+ W. T$ h! P) T6 M% r, P                -     to reset the loan amount  
: i1 M/ ^+ i5 [; E" M! v" e# b
8 N- w3 {5 i3 `                -     to reset the annual interest rate  
' j6 A2 ^  g& f2 t  T" q! P
                -     to reset the loan period (in years)   
& v, k& O2 n0 M1 r" ?' T6 B& F7 G
; e, a8 Z$ R; r1 _      
' A" L0 r: o" P* N
               
9 G0 q3 n  ?- [( J2 `& j* b4 Y      
              *** Use a simple interest calculation (not compound) formula, for example:   
1 j3 r9 L/ ^+ p3 X) r      
% l( F. O! Q4 [/ j5 m( Z             weeklyRepayment = (borrowedAmount * 1 + (annualInterestRate *  
4 S6 P# Z# J+ m2 Y             numberOfYears )) / numberOfPayments;  
# m/ Q$ O+ c4 r, L
: k" Q$ u: A$ u1 Z' b; \6 K1 W         

      

. y( ^$ F8 p) DIndividual Data (Maximum 10 marks available)  
5 x" p" l" G) X) @: S
      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  
           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.  
            

                                                        Page 2 of 5  
: X; _  X  u- J1 H
1 L. y* T" J0 QFor requirement 5 use the following data:
  J, ^4 u1 K, _, C7 \1 Q; w3 \
1 S% a4 y+ B5 Q" B! M' ^2 [# Data Set 1:
4 \% P: r3 Q( F8 T4 g7 S
, z) I/ F- v" L5 }7 D* K' p' eUser name: JordanM
Password:  Ferrari
Borrowed: $ 749.95
Interest:    15.0 %
Years:      4
: y" k( h! T. y/ V
  g, C% v7 ~# x6 S  s0 w0 n  I1 z# Data Set 2:

User name: KimZ
2 H  [+ @& Y4 U0 V/ T! @; SPassword:  DimSim
7 N  b7 z: _9 mBorrowed: $ 150500.25
, ?( T3 ~+ ~) i2 H! B2 jInterest:    5.5 %
8 F3 G7 ^" A, s2 g* Z* I: kYears:      7
+ c+ P, E3 a* j% R1 }1 r. t  z
[ 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。