In our previous article we have discussed about Java Program to Solve simple Banking Problem, The disadvantage of the previous program is that we can do operations only on one account, but using Array of objects we can create multiple objects and perform operations on multiple accounts. Ofcourse we can also solve this without using Array of objects by using Array for each variable but it will be overhead.
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Create Your Oracle Account. Already have an Oracle Account? Email Address: Your email address is your username. Your email address is your username. Password: Passwords must have upper and lower case letters, at least 1 number, not match or contain email, and be at least 8 characters long. Protect the Account#balance property form the outside; make it private and initialize it to 0 to be sure. By doing that your Customer will be red because acc.balance is not avlid anymore. This a good thing because by copying the value, if you change the balance in your Account the customer one will not change anymore. Remove it and replace it by a getBalance method that will return the. When you come right down to it, the differences between one account and another can be summarized as values of variables in Java code. Maybe there's a variable named balance. For one person, the value of a variable like balance is 24.02. For another, the value of balance is 55.63. The question is, when writing. Connect and share knowledge within a single location that is structured and easy to search. In this document, I will guide step by step how to create a simple web application with the combiantion of Servlet +JSP + Filter + JSP EL + JDBC.Make sure that you've mastered Servlet, JSP and Filter and JDBC before the start.If not, you can refer to.
So what are we doing here? We are just defining Array of Objects and then populating data into the object. We are using a switch case to perform operations like: Adding account details, Depositing Money, Withdrawing Money and Checking balance.
Java Program to implement Banking using Array of Objects
The variable flag is used to raise a flag if account number is found. We reset the flag value to 1 every time do is executed.
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import java.util.*;
class bankInternal {
int ac;
float bal, amt;
Scanner get = new Scanner(System.in);
void getdetails()
{
System.out.print('Enter Account Number:');
ac = get.nextInt();
System.out.println();
System.out.print('Enter Initial Balance:');
bal = get.nextFloat();
}
void deposit()
{
System.out.println();
System.out.print('Enter Amount:');
amt = get.nextInt();
bal = bal+amt;
System.out.println('Success! Amount deposited. Balance Available:'+bal);
}
void withdraw()
{
System.out.println();
System.out.print('Enter Amount:');
amt = get.nextInt();
if(amt>bal)
{
System.out.println('Insufficient Funds!!');
}
else
{
bal = bal-amt;
How to autotune fl studio 20. System.out.println('Amount Withdrawn! Available Balance:'+bal);
}
}
void balchk()
{
System.out.println('Balance available in Account Number '+ac+' is: '+bal);
}
}
class bankArray {
public static void main(String args[])
{
boolean a=true;
int acno, flag;
Scanner in = new Scanner(System.in);
bankInternal obj[] = new bankInternal[100];
for(int i=0;i<3;i++) { obj[i] = new bankInternal(); } int ch; do { flag=1; //Reset flag value. System.out.println('1.Add Account'+'n'+'2.Deposit'+'n'+'3.Withdraw'+'n'+'4.Check Balance'+'n'+'5.Exit'); System.out.println(); System.out.print('Enter your Choice:'); ch = in.nextInt(); switch(ch) { case 1:for(int i=0;i<3;i++) { obj[i].getdetails(); } break; case 2: System.out.println('Enter Account Number:'); acno = in.nextInt(); for(int i=0;i<3;i++) { if(acno obj[i].ac) { obj[i].deposit(); flag=0; } } if(flag1) { System.out.println('Account number not found!!'+'n'); } break; case 3: System.out.println('Enter Account Number:'); acno = in.nextInt(); for(int i=0;i<3;i++) { if(acno obj[i].ac) { obj[i].withdraw(); flag=0; } } if(flag1) { System.out.println('Account number not found!!'+'n'); } break; case 4: System.out.println('Enter Account Number:'); acno = in.nextInt(); for(int i=0;i<3;i++) { if(acno obj[i].ac) { obj[i].balchk(); flag=0; } } if(flag1) { System.out.println('Account number not found!!'+'n'); } break; case 5: System.exit(0); default: System.out.println('Enter a valid Option!'+'nn'); } }while(a); }} [/html]Output:
The variable flag is used to raise a flag if account number is found. We reset the flag value to 1 every time do is executed.
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import java.util.*;
class bankInternal {
int ac;
float bal, amt;
Scanner get = new Scanner(System.in);
void getdetails()
{
System.out.print('Enter Account Number:');
ac = get.nextInt();
System.out.println();
System.out.print('Enter Initial Balance:');
bal = get.nextFloat();
}
void deposit()
{
System.out.println();
System.out.print('Enter Amount:');
amt = get.nextInt();
bal = bal+amt;
System.out.println('Success! Amount deposited. Balance Available:'+bal);
}
void withdraw()
{
System.out.println();
System.out.print('Enter Amount:');
amt = get.nextInt();
if(amt>bal)
{
System.out.println('Insufficient Funds!!');
}
else
{
bal = bal-amt;
How to autotune fl studio 20. System.out.println('Amount Withdrawn! Available Balance:'+bal);
}
}
void balchk()
{
System.out.println('Balance available in Account Number '+ac+' is: '+bal);
}
}
class bankArray {
public static void main(String args[])
{
boolean a=true;
int acno, flag;
Scanner in = new Scanner(System.in);
bankInternal obj[] = new bankInternal[100];
for(int i=0;i<3;i++) { obj[i] = new bankInternal(); } int ch; do { flag=1; //Reset flag value. System.out.println('1.Add Account'+'n'+'2.Deposit'+'n'+'3.Withdraw'+'n'+'4.Check Balance'+'n'+'5.Exit'); System.out.println(); System.out.print('Enter your Choice:'); ch = in.nextInt(); switch(ch) { case 1:for(int i=0;i<3;i++) { obj[i].getdetails(); } break; case 2: System.out.println('Enter Account Number:'); acno = in.nextInt(); for(int i=0;i<3;i++) { if(acno obj[i].ac) { obj[i].deposit(); flag=0; } } if(flag1) { System.out.println('Account number not found!!'+'n'); } break; case 3: System.out.println('Enter Account Number:'); acno = in.nextInt(); for(int i=0;i<3;i++) { if(acno obj[i].ac) { obj[i].withdraw(); flag=0; } } if(flag1) { System.out.println('Account number not found!!'+'n'); } break; case 4: System.out.println('Enter Account Number:'); acno = in.nextInt(); for(int i=0;i<3;i++) { if(acno obj[i].ac) { obj[i].balchk(); flag=0; } } if(flag1) { System.out.println('Account number not found!!'+'n'); } break; case 5: System.exit(0); default: System.out.println('Enter a valid Option!'+'nn'); } }while(a); }} [/html]Output:
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