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Program to represent a bank account

Posted By: Easy Tutor     Category: Java     Views: 35749

Design a class to represent a bank account. Include the following members:
Data Members
->Name of the depositor
->Account Number
->Type of Account
->Balance amount in the account

Methods
->To assign intial values
->To deposit an amount
->To withdraw an amount after checking balance
->To display the name and balance

Code for Program to represent a bank account in Java

import java.io.*;

class BankWork
{
          final int max_limit=20;
          final  int min_limit=1;
          final double min_bal=500;
         private  String name[]=new String[20];
         privateint accNo[]=newint[20];
         private  String accType[]=new String[20];
         privatedouble balAmt[]=newdouble[20];
         staticint totRec=0;
        //constructor
        BankWork()
        {
             for(int i=0;i<max_limit;i++)
             {
                name[i]="";
                accNo[i]=0;
                accType[i]="";
                balAmt[i]=0.0;
            }
        }

        
        
        //TO  ADD NEW RECORDpublicvoid newEntry()
        {
               String str;
               int acno;
               double amt;
               boolean permit;
                permit=true;

               if (totRec>max_limit)
               {
                    System.out.println("\n\n\nSorry we cannot admit you in our bank...\n\n\n");
                    permit=false;
               }

               if(permit = true)   //Allows to create new entry
               {
               totRec++;         // Incrementing Total Record               
               System.out.println("\n\n\n=====RECORDING NEW ENTRY=====");
               try{
                          accNo[totRec]=totRec;    //Created  AutoNumber  to accNo so no invalid id occurs
                        System.out.println("Account Number :  "+accNo[totRec]);
                        
                     BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                     System.out.print("Enter Name :  ");
                     System.out.flush();
                     name[totRec]=obj.readLine();

                     System.out.print("Enter Account Type : ");
                     System.out.flush();
                     accType[totRec]=obj.readLine();

                    do{
                           System.out.print("Enter Initial  Amount to be deposited : ");
                           System.out.flush();
                           str=obj.readLine();
                           balAmt[totRec]=Double.parseDouble(str);
                         }while(balAmt[totRec]<min_bal);      //Validation that minimun amount must be 500

                  System.out.println("\n\n\n");
                    }
                catch(Exception e)
                {}
            }
        }

        
        
        //TO DISPLAY DETAILS OF RECORDpublicvoid display()
        {
              String str;
              int acno=0;
              boolean valid=true;
                           
              System.out.println("\n\n=====DISPLAYING DETAILS OF CUSTOMER=====\n");
              try{
                 BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                 System.out.print("Enter Account number : ");
                 System.out.flush();
                 str=obj.readLine();
                 acno=Integer.parseInt(str);
                  if (acno<min_limit  || acno>totRec)   //To check whether accNo is valid or Not
                     {
                          System.out.println("\n\n\nInvalid Account Number \n\n");
                          valid=false;
                     }

                    if (valid==true)
                      {     
                        System.out.println("\n\nAccount Number : "+accNo[acno]);
                        System.out.println("Name : "+name[acno]);
                        System.out.println("Account Type : "+accType[acno]);
                        System.out.println("Balance Amount : "+balAmt[acno]+"\n\n\n");
                      }
                 }
            catch(Exception e)
            {}
        }



          //TO DEPOSIT AN AMOUNTpublicvoid deposit()
        {
              String str;
              double amt;
              int acno;
              boolean valid=true;
              System.out.println("\n\n\n=====DEPOSIT AMOUNT=====");
              
              try{
                   //Reading deposit value
                   BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));

                        System.out.print("Enter Account No : ");
                        System.out.flush();
                        str=obj.readLine();
                        acno=Integer.parseInt(str);
                         if (acno<min_limit || acno>totRec)   //To check whether accNo is valid or Not
                         {
                              System.out.println("\n\n\nInvalid Account Number \n\n");
                              valid=false;
                         }
           
                        if (valid==true)
                       {
                            System.out.print("Enter Amount you want to Deposit  : ");
                            System.out.flush();
                            str=obj.readLine();
                            amt=Double.parseDouble(str);

                            balAmt[acno]=balAmt[acno]+amt;

                            //Displaying Depsit Details
                            System.out.println("\nAfter Updation...");
                            System.out.println("Account Number :  "+acno);
                            System.out.println("Balance Amount :  "+balAmt[acno]+"\n\n\n");
                        }
                 }
            catch(Exception e)
            {}
       }



     //TO WITHDRAW BALANCEpublicvoid withdraw()
        {
              String str;
              double amt,checkamt;
              int acno;
              boolean valid=true;
              System.out.println("\n\n\n=====WITHDRAW AMOUNT=====");
              
              try{
                   //Reading deposit value
                   BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                   
                        System.out.print("Enter Account No : ");
                        System.out.flush();
                        str=obj.readLine();
                        acno=Integer.parseInt(str);

                          if (acno<min_limit || acno>totRec)   //To check whether accNo is valid or Not
                             {
                                System.out.println("\n\n\nInvalid Account Number \n\n");
                                valid=false;
                            }

                        if (valid==true)
                        {
                                System.out.println("Balance is : "+balAmt[acno]);
                                System.out.print("Enter Amount you want to withdraw  : ");
                                System.out.flush();
                                str=obj.readLine();
                                amt=Double.parseDouble(str);

                                checkamt=balAmt[acno]-amt;

                                if(checkamt >= min_bal)
                                 {
                                    balAmt[acno]=checkamt;
                                    //Displaying Depsit Details
                                    System.out.println("\nAfter Updation...");
                                    System.out.println("Account Number :  "+acno);
                                    System.out.println("Balance Amount :  "+balAmt[acno]+"\n\n\n");
                                }
                                else
                                 {
                                    System.out.println("\n\nAs per Bank Rule you should maintain minimum balance of Rs 500\n\n\n");
                                }
                        }
                 }
            catch(Exception e)
            {}
       }

};

class  Bank
{
    publicstaticvoid main(String args[]) 
    {
        String str;
        int choice;
        choice=0;

        BankWork BW_obj = new BankWork();
        

        do
        {
        System.out.println("Choose Your Choices ...");
        System.out.println("1) New Record Entry ");
        System.out.println("2) Display Record Details ");
        System.out.println("3) Deposit...");
        System.out.println("4) Withdraw...");
        System.out.println("5) Exit");
         System.out.print("Enter your choice :  ");
        System.out.flush();
              try{
                   BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                   str=obj.readLine();
                   choice=Integer.parseInt(str);

                          switch(choice)
                           {
                            case 1 :  //New Record Entry
                                            BW_obj.newEntry();
                                           break;
                            case 2 :  //Displaying Record Details
                                           BW_obj.display();
                                           break;
                            case 3 : //Deposit...
                                            BW_obj.deposit();
                                           break;
                            case 4 : //Withdraw...
                                            BW_obj.withdraw();
                                            break;
                            case 5  :  System.out.println("\n\n.....THANKS FOR VISITING.....");
                                            break;
                            default : System.out.println("\nInvalid Choice \n\n");
                          }
                    }
                catch(Exception e)
                {}
            }while(choice!=5);
    }
}
  
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Easy Tutor author of Program to represent a bank account is from United States. Easy Tutor says

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