From 38738eda9e2e9d08c4dade8228580322967f6331 Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 09:54:15 +0300
Subject: [PATCH 01/10] Create Assignment1

Assignment 1
---
 src/Assignment1 | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 src/Assignment1

diff --git a/src/Assignment1 b/src/Assignment1
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/Assignment1
@@ -0,0 +1 @@
+

From 963c0bd710ee6ef53f12384a9e0503177c12a1b4 Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 09:55:29 +0300
Subject: [PATCH 02/10] Delete src/Assignment1

---
 src/Assignment1 | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 src/Assignment1

diff --git a/src/Assignment1 b/src/Assignment1
deleted file mode 100644
index 8b13789..0000000
--- a/src/Assignment1
+++ /dev/null
@@ -1 +0,0 @@
-

From 74fbde1405c30d61db537719b3651472b5a99ec9 Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:00:47 +0300
Subject: [PATCH 03/10] Add files via upload

---
 src/AP-Assignment-main/BankAccount.java       | 25 ++++++++++++
 ...ionClass Implementing TransactionInterface | 38 +++++++++++++++++++
 .../DepositTransactionClass                   | 12 ++++++
 .../InsufficientFundsExceptionClass           |  5 +++
 src/AP-Assignment-main/MainClass              | 26 +++++++++++++
 src/AP-Assignment-main/README.md              | 15 ++++++++
 src/AP-Assignment-main/TransactionInterface   |  9 +++++
 .../WithdrawalTransactionClass                | 23 +++++++++++
 8 files changed, 153 insertions(+)
 create mode 100644 src/AP-Assignment-main/BankAccount.java
 create mode 100644 src/AP-Assignment-main/BaseTransactionClass Implementing TransactionInterface
 create mode 100644 src/AP-Assignment-main/DepositTransactionClass
 create mode 100644 src/AP-Assignment-main/InsufficientFundsExceptionClass
 create mode 100644 src/AP-Assignment-main/MainClass
 create mode 100644 src/AP-Assignment-main/README.md
 create mode 100644 src/AP-Assignment-main/TransactionInterface
 create mode 100644 src/AP-Assignment-main/WithdrawalTransactionClass

diff --git a/src/AP-Assignment-main/BankAccount.java b/src/AP-Assignment-main/BankAccount.java
new file mode 100644
index 0000000..c68a713
--- /dev/null
+++ b/src/AP-Assignment-main/BankAccount.java
@@ -0,0 +1,25 @@
+public class BankAccount {
+    private String accountNumber;
+    private double balance;
+
+    public BankAccount(String accountNumber, double balance) {
+        this.accountNumber = accountNumber;
+        this.balance = balance;
+    }
+
+    public String getAccountNumber() {
+        return accountNumber;
+    }
+
+    public double getBalance() {
+        return balance;
+    }
+
+    public void deposit(double amount) {
+        this.balance += amount;
+    }
+
+    public void withdraw(double amount) {
+        this.balance -= amount;
+    }
+}
diff --git a/src/AP-Assignment-main/BaseTransactionClass Implementing TransactionInterface b/src/AP-Assignment-main/BaseTransactionClass Implementing TransactionInterface
new file mode 100644
index 0000000..04abbc1
--- /dev/null
+++ b/src/AP-Assignment-main/BaseTransactionClass Implementing TransactionInterface	
@@ -0,0 +1,38 @@
+import java.util.Calendar;
+
+public abstract class BaseTransaction implements TransactionInterface {
+    private double amount;
+    private Calendar date;
+    private String transactionID;
+
+    public BaseTransaction(double amount, Calendar date, String transactionID) {
+        this.amount = amount;
+        this.date = date;
+        this.transactionID = transactionID;
+    }
+
+    @Override
+    public double getAmount() {
+        return this.amount;
+    }
+
+    @Override
+    public Calendar getDate() {
+        return this.date;
+    }
+
+    @Override
+    public String getTransactionID() {
+        return this.transactionID;
+    }
+
+    @Override
+    public void printTransactionDetails() {
+        System.out.println("Transaction ID: " + transactionID);
+        System.out.println("Amount: " + amount);
+        System.out.println("Date: " + date.getTime());
+    }
+
+    // Abstract method for applying a transaction on a bank account
+    public abstract void apply(BankAccount ba);
+}
diff --git a/src/AP-Assignment-main/DepositTransactionClass b/src/AP-Assignment-main/DepositTransactionClass
new file mode 100644
index 0000000..2f8af0a
--- /dev/null
+++ b/src/AP-Assignment-main/DepositTransactionClass
@@ -0,0 +1,12 @@
+public class DepositTransaction extends BaseTransaction {
+
+    public DepositTransaction(double amount, Calendar date, String transactionID) {
+        super(amount, date, transactionID);
+    }
+
+    @Override
+    public void apply(BankAccount ba) {
+        ba.deposit(getAmount());
+        System.out.println("Deposited " + getAmount() + " to account " + ba.getAccountNumber());
+    }
+}
diff --git a/src/AP-Assignment-main/InsufficientFundsExceptionClass b/src/AP-Assignment-main/InsufficientFundsExceptionClass
new file mode 100644
index 0000000..6f55cf6
--- /dev/null
+++ b/src/AP-Assignment-main/InsufficientFundsExceptionClass
@@ -0,0 +1,5 @@
+public class InsufficientFundsException extends Exception {
+    public InsufficientFundsException(String message) {
+        super(message);
+    }
+}
diff --git a/src/AP-Assignment-main/MainClass b/src/AP-Assignment-main/MainClass
new file mode 100644
index 0000000..376b600
--- /dev/null
+++ b/src/AP-Assignment-main/MainClass
@@ -0,0 +1,26 @@
+import java.util.Calendar;
+
+public class Main {
+    public static void main(String[] args) {
+        BankAccount account = new BankAccount("12345", 500.0);
+
+        // Create a DepositTransaction
+        Calendar depositDate = Calendar.getInstance();
+        DepositTransaction deposit = new DepositTransaction(200.0, depositDate, "D123");
+        deposit.printTransactionDetails();
+        deposit.apply(account);  // Apply deposit transaction
+
+        // Create a WithdrawalTransaction
+        Calendar withdrawDate = Calendar.getInstance();
+        WithdrawalTransaction withdrawal = new WithdrawalTransaction(100.0, withdrawDate, "W123");
+        withdrawal.printTransactionDetails();
+        try {
+            withdrawal.apply(account);  // Apply withdrawal transaction
+        } catch (InsufficientFundsException e) {
+            System.out.println(e.getMessage());
+        }
+
+        // Reverse the withdrawal
+        withdrawal.reverse(account);  // Reverse the transaction
+    }
+}
diff --git a/src/AP-Assignment-main/README.md b/src/AP-Assignment-main/README.md
new file mode 100644
index 0000000..2350062
--- /dev/null
+++ b/src/AP-Assignment-main/README.md
@@ -0,0 +1,15 @@
+# AP-Assignment 1
+Question 1 - Extending Interface in Concrete Class
+Question 2 - Differentiate functionality of DepositTransaction 
+and WithdrawalTransaction 
+Question 3 - Exception Handling and Client Codes
+Question 4 - Writing the Client Code
+
+files;
+TransactionInterface.java
+BaseTransaction.java
+DepositTransaction.java
+WithdrawalTransaction.java
+InsufficientFundsException.java
+BankAccount.java
+Main.java
diff --git a/src/AP-Assignment-main/TransactionInterface b/src/AP-Assignment-main/TransactionInterface
new file mode 100644
index 0000000..4b2e165
--- /dev/null
+++ b/src/AP-Assignment-main/TransactionInterface
@@ -0,0 +1,9 @@
+import java.util.Calendar;
+
+public interface TransactionInterface {
+    double getAmount(); // Get the transaction amount
+    Calendar getDate(); // Get the transaction date
+    String getTransactionID(); // Get the transaction ID
+    void printTransactionDetails(); // Print transaction details
+    void apply(BankAccount ba); // Apply transaction to the bank account
+}
diff --git a/src/AP-Assignment-main/WithdrawalTransactionClass b/src/AP-Assignment-main/WithdrawalTransactionClass
new file mode 100644
index 0000000..c029d4b
--- /dev/null
+++ b/src/AP-Assignment-main/WithdrawalTransactionClass
@@ -0,0 +1,23 @@
+public class WithdrawalTransaction extends BaseTransaction {
+
+    public WithdrawalTransaction(double amount, Calendar date, String transactionID) {
+        super(amount, date, transactionID);
+    }
+
+    @Override
+    public void apply(BankAccount ba) throws InsufficientFundsException {
+        if (ba.getBalance() >= getAmount()) {
+            ba.withdraw(getAmount());
+            System.out.println("Withdrew " + getAmount() + " from account " + ba.getAccountNumber());
+        } else {
+            throw new InsufficientFundsException("Insufficient funds for withdrawal.");
+        }
+    }
+
+    // Method to reverse a withdrawal transaction
+    public boolean reverse(BankAccount ba) {
+        ba.deposit(getAmount());  // Reverse by depositing the same amount back
+        System.out.println("Reversed withdrawal of " + getAmount() + " from account " + ba.getAccountNumber());
+        return true;
+    }
+}

From 1605f6bb75a4428aafe326e36523f5061b56293e Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:01:43 +0300
Subject: [PATCH 04/10] Rename BaseTransactionClass Implementing
 TransactionInterface to BaseTransaction.java

---
 ...ass Implementing TransactionInterface => BaseTransaction.java} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename src/AP-Assignment-main/{BaseTransactionClass Implementing TransactionInterface => BaseTransaction.java} (100%)

diff --git a/src/AP-Assignment-main/BaseTransactionClass Implementing TransactionInterface b/src/AP-Assignment-main/BaseTransaction.java
similarity index 100%
rename from src/AP-Assignment-main/BaseTransactionClass Implementing TransactionInterface
rename to src/AP-Assignment-main/BaseTransaction.java

From f1e114a76f2ea935aa714fc3a5941713ef2444b5 Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:02:02 +0300
Subject: [PATCH 05/10] Rename DepositTransactionClass to
 DepositTransaction.java

---
 .../{DepositTransactionClass => DepositTransaction.java}          | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename src/AP-Assignment-main/{DepositTransactionClass => DepositTransaction.java} (100%)

diff --git a/src/AP-Assignment-main/DepositTransactionClass b/src/AP-Assignment-main/DepositTransaction.java
similarity index 100%
rename from src/AP-Assignment-main/DepositTransactionClass
rename to src/AP-Assignment-main/DepositTransaction.java

From 3f6b66fee212abbcec0f0c3a01fff582525e5c62 Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:02:25 +0300
Subject: [PATCH 06/10] Rename InsufficientFundsExceptionClass to
 InsufficientFundsException.java

---
 ...ficientFundsExceptionClass => InsufficientFundsException.java} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename src/AP-Assignment-main/{InsufficientFundsExceptionClass => InsufficientFundsException.java} (100%)

diff --git a/src/AP-Assignment-main/InsufficientFundsExceptionClass b/src/AP-Assignment-main/InsufficientFundsException.java
similarity index 100%
rename from src/AP-Assignment-main/InsufficientFundsExceptionClass
rename to src/AP-Assignment-main/InsufficientFundsException.java

From 94486ee0dfdbd0d4edb534bcc1469c090541d963 Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:02:43 +0300
Subject: [PATCH 07/10] Rename MainClass to Main.java

---
 src/AP-Assignment-main/{MainClass => Main.java} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename src/AP-Assignment-main/{MainClass => Main.java} (100%)

diff --git a/src/AP-Assignment-main/MainClass b/src/AP-Assignment-main/Main.java
similarity index 100%
rename from src/AP-Assignment-main/MainClass
rename to src/AP-Assignment-main/Main.java

From 34547d328fd85404094061410ff4952b1411021a Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:03:00 +0300
Subject: [PATCH 08/10] Rename TransactionInterface to
 TransactionInterface.java

---
 .../{TransactionInterface => TransactionInterface.java}           | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename src/AP-Assignment-main/{TransactionInterface => TransactionInterface.java} (100%)

diff --git a/src/AP-Assignment-main/TransactionInterface b/src/AP-Assignment-main/TransactionInterface.java
similarity index 100%
rename from src/AP-Assignment-main/TransactionInterface
rename to src/AP-Assignment-main/TransactionInterface.java

From 104ee6aafcd4107886d9e0f34f11c85a5f0e8b7d Mon Sep 17 00:00:00 2001
From: AwdhatCodes <157990984+AwdhatCodes@users.noreply.github.com>
Date: Sun, 1 Dec 2024 10:03:23 +0300
Subject: [PATCH 09/10] Rename WithdrawalTransactionClass to
 WithdrawalTransaction.java

---
 .../{WithdrawalTransactionClass => WithdrawalTransaction.java}    | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename src/AP-Assignment-main/{WithdrawalTransactionClass => WithdrawalTransaction.java} (100%)

diff --git a/src/AP-Assignment-main/WithdrawalTransactionClass b/src/AP-Assignment-main/WithdrawalTransaction.java
similarity index 100%
rename from src/AP-Assignment-main/WithdrawalTransactionClass
rename to src/AP-Assignment-main/WithdrawalTransaction.java

From cc0e7391f8e936de70c92d0b1f4e538a55c67e7f Mon Sep 17 00:00:00 2001
From: AwdhatCodes <faridawdhat@gmail.com>
Date: Wed, 11 Dec 2024 21:51:12 +0300
Subject: [PATCH 10/10] Advanced Programming Assignment

---
 src/farid/BankAccount.java                | 19 +++++++++
 src/farid/BaseTransaction.java            | 47 +++++++++++++++++++++++
 src/farid/DepositTransaction.java         | 20 ++++++++++
 src/farid/InsufficientFundsException.java |  6 +++
 src/farid/Main.java                       | 26 +++++++++++++
 src/farid/TransactionInterface.java       | 10 +++++
 src/farid/WithdrawalTransaction.java      | 28 ++++++++++++++
 7 files changed, 156 insertions(+)
 create mode 100644 src/farid/BankAccount.java
 create mode 100644 src/farid/BaseTransaction.java
 create mode 100644 src/farid/DepositTransaction.java
 create mode 100644 src/farid/InsufficientFundsException.java
 create mode 100644 src/farid/Main.java
 create mode 100644 src/farid/TransactionInterface.java
 create mode 100644 src/farid/WithdrawalTransaction.java

diff --git a/src/farid/BankAccount.java b/src/farid/BankAccount.java
new file mode 100644
index 0000000..27573a3
--- /dev/null
+++ b/src/farid/BankAccount.java
@@ -0,0 +1,19 @@
+public class BankAccount {
+    private double balance;
+
+    public BankAccount(double balance) {
+        this.balance = balance;
+    }
+
+    public double getBalance() {
+        return balance;
+    }
+
+    public void deposit(double amount) {
+        balance += amount;
+    }
+
+    public void withdraw(double amount) {
+        balance -= amount;
+    }
+}
diff --git a/src/farid/BaseTransaction.java b/src/farid/BaseTransaction.java
new file mode 100644
index 0000000..6001e33
--- /dev/null
+++ b/src/farid/BaseTransaction.java
@@ -0,0 +1,47 @@
+import java.util.Calendar;
+
+public class BaseTransaction implements TransactionInterface {
+    protected double amount;
+    protected Calendar date;
+    protected String transactionID;
+
+    // Constructor
+    public BaseTransaction(double amount, Calendar date, String transactionID) {
+        this.amount = amount;
+        this.date = date;
+        this.transactionID = transactionID;
+    }
+
+    @Override
+    public double getAmount() {
+        return amount;
+    }
+
+    @Override
+    public Calendar getDate() {
+        return date;
+    }
+
+    @Override
+    public String getTransactionID() {
+        return transactionID;
+    }
+
+    // Common method to print transaction details
+    public void printTransactionDetails() {
+        System.out.println("Transaction ID: " + transactionID);
+        System.out.println("Amount: " + amount);
+        System.out.println("Date: " + date.getTime());
+    }
+
+    // Method to apply the transaction (meant to be overridden by subclasses)
+    public void apply(BankAccount ba) {
+        System.out.println("Applying transaction...");
+    }
+
+    // Default reverse method (can be overridden if needed)
+    public boolean reverse(BankAccount ba) {
+        System.out.println("Reversal not supported for this transaction.");
+        return false;
+    }
+}
diff --git a/src/farid/DepositTransaction.java b/src/farid/DepositTransaction.java
new file mode 100644
index 0000000..bea2e69
--- /dev/null
+++ b/src/farid/DepositTransaction.java
@@ -0,0 +1,20 @@
+import java.util.Calendar;
+
+public class DepositTransaction extends BaseTransaction {
+
+    public DepositTransaction(double amount, Calendar date, String transactionID) {
+        super(amount, date, transactionID);
+    }
+
+    @Override
+    public void apply(BankAccount ba) {
+        ba.deposit(amount);
+        System.out.println("Deposit successful: " + amount);
+    }
+
+    @Override
+    public boolean reverse(BankAccount ba) {
+        System.out.println("Deposits cannot be reversed.");
+        return false;
+    }
+}
diff --git a/src/farid/InsufficientFundsException.java b/src/farid/InsufficientFundsException.java
new file mode 100644
index 0000000..494041d
--- /dev/null
+++ b/src/farid/InsufficientFundsException.java
@@ -0,0 +1,6 @@
+public class InsufficientFundsException extends Exception {
+    public InsufficientFundsException(String message) {
+        super(message);
+    }
+}
+//insufficient Funds
diff --git a/src/farid/Main.java b/src/farid/Main.java
new file mode 100644
index 0000000..314d389
--- /dev/null
+++ b/src/farid/Main.java
@@ -0,0 +1,26 @@
+import java.util.Calendar;
+
+public class Main {
+    public static void main(String[] args) {
+        BankAccount account = new BankAccount(1000.0);
+        Calendar date = Calendar.getInstance();
+
+        // Create DepositTransaction
+        DepositTransaction deposit = new DepositTransaction(500.0, date, "D123");
+        deposit.apply(account);
+        deposit.printTransactionDetails();
+
+        // Create WithdrawalTransaction
+        WithdrawalTransaction withdrawal = new WithdrawalTransaction(300.0, date, "W456");
+        withdrawal.apply(account);
+        withdrawal.printTransactionDetails();
+
+        // Test reversal of withdrawal
+        withdrawal.reverse(account);
+
+        // Try to reverse deposit
+        deposit.reverse(account);
+
+        System.out.println("Final Balance: " + account.getBalance());
+    }
+}
diff --git a/src/farid/TransactionInterface.java b/src/farid/TransactionInterface.java
new file mode 100644
index 0000000..376b299
--- /dev/null
+++ b/src/farid/TransactionInterface.java
@@ -0,0 +1,10 @@
+import java.util.Calendar;
+
+public interface TransactionInterface {
+    double getAmount();
+    Calendar getDate();
+    String getTransactionID();
+    void printTransactionDetails();
+    void apply(BankAccount ba);
+    boolean reverse(BankAccount ba);
+}
diff --git a/src/farid/WithdrawalTransaction.java b/src/farid/WithdrawalTransaction.java
new file mode 100644
index 0000000..4d37c48
--- /dev/null
+++ b/src/farid/WithdrawalTransaction.java
@@ -0,0 +1,28 @@
+import java.util.Calendar;
+
+public class WithdrawalTransaction extends BaseTransaction {
+
+    public WithdrawalTransaction(double amount, Calendar date, String transactionID) {
+        super(amount, date, transactionID);
+    }
+
+    @Override
+    public void apply(BankAccount ba) {
+        try {
+            if (ba.getBalance() < amount) {
+                throw new InsufficientFundsException("Insufficient funds for withdrawal.");
+            }
+            ba.withdraw(amount);
+            System.out.println("Withdrawal successful: " + amount);
+        } catch (InsufficientFundsException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+
+    @Override
+    public boolean reverse(BankAccount ba) {
+        ba.deposit(amount);
+        System.out.println("Withdrawal reversed: " + amount);
+        return true;
+    }
+}