Encapsulation, inheritance, and polymorphism of Java's------Class (II)

issue: Statement of bank account class, member variables include account number, depositor name, opening time, identity card numbers, deposit balance and other accounts information, member methods include account opening, deposit, withdrawal, inquiry (balance, details), sales and other operations.

The main members are described below

public class Accounts {                        //account class    private String name;                   Depositor name    private double balance;                  Account balance Public Accounts    (String name)             //constructor method, parameter specify depositor name public    String getName ()                //Return account name    public Double balance ()                 //View account balance public    Boolean put (double value)         //deposit operation, parameter for deposit amount public    double get ( Double value)           //withdrawal operation, parameter for withdrawal amount, return actual fetch amount}

Import java.util.scanner;import java.math.*;class account{string name;static int count=0;static String[] Opea=new String[10000];static double[] val=new double[1000];d ouble balance;static String accountid= "6215000000000000000"; String id;public Account (string name,double balance,string id) {this.set (name,balance,id);} public void Set (String name,double balance,string id) {this.name=name;this.balance=balance;if (Id.length () >18| | Id.length () <1) {System.out.println ("Input ID Error!"); return;} This.id=id;accountid=add (AccountID);} public void Inquire () {System.out.println ("-------Balance and trad information-------"); System.out.println ("Balance:" +this.balance); for (int i=0;i<count;i++) {System.out.println (opea[i]+ "" +val[i]);}} Public String GetName () {return "Accoutname:" +this.name+ "\naccountid" +this.accountid+ "\nid:" +id.substring (0,6) + "* * "+id.substring (14,id.length ());} public double balance () {return this.balance;} Public Boolean put (double value) {this.balance+=value;if (value==0){return false;} Opea[count]= "put"; Val[count++]=value;return true;} Public double get (double value) {if (value>this.balance) {System.out.println ("lack of balance!!!"); return 0;} Opea[count]= "Get"; Val[count++]=value;this.balance-=value;return value;} public Boolean exit () {return true;} public static string Add (String str) {char[] c=new char[19];int leng=19;int sign=0,i;for (i=0;i<19;i++) {leng=leng-1; int Sum=0;sum+=str.charat (Leng)-' 0 '; if (i==0) {sum+=1;} Sum+=sign;c[leng]= (char) (sum+48); if (sum>=10) {sign=1;c[leng]= (char) (sum%10+48);} else{sign=0;}} return string.valueof (c);}} Class Main{public static void Main (string[] args) {account p=new account ("Tom", 1000, "340822123409231190"); System.out.println ("-------accoutn information-------"); System.out.printf (P.getname ()); System.out.println (); System.out.println ("Balance:" +p.balance ());p. Put (123213);p. Inquire (); System.out.println (); Account p2=new Account ("Sex", 100000, "340822123434533454"); System.out.println ("-------accoutn information-------"); System.out.printf (P2.getname ()); System.out.println (); System.out.println ("Balance:" +p2.balance ());p 2.get (12); System.out.println ("Balance:" +p2.balance ());p 2.get (12000000); System.out.println ("Balance:" +p2.balance ());p 2.inquire (); System.out.println ();}}

Encapsulation, inheritance, and polymorphism of Java's------Class (II)