Project Idea & Aid

The repo is very good for beginners. I decided we can add a project section to make it a complete tutorial.

Banking System.cpp

@@ -0,0 +1,194 @@
+#include <iostream>
+#include <cmath>
+#include <unistd.h>
+using namespace std;
+
+class bank
+{
+    float balance, rate;
+
+    public:
+
+        bank(float cash, float r)
+        {
+            usleep(1000000);
+            balance = cash;
+            rate = r;
+            cout << "Successfully opened your new account!" << endl;
+            usleep(1000000);
+            cout<<"\033[2J\033[1;1H";
+        }
+
+        void deposit()
+        {
+            usleep(1000000);
+            float d;
+            cout << "Enter the amount you want to deposit in your account: ";
+            cin >> d;
+            balance += d;
+            cout << "Successfully deposited the amount mentioned!" << endl;
+        }
+
+        void withdraw()
+        {
+            usleep(1000000);
+            float withdrawal;
+            cout << "Enter the amount you want to withdraw from your account: ";
+            cin >> withdrawal;
+            if (balance - withdrawal < 1000)
+                cout << "Not enough cash available to withdraw" << endl;
+            else
+            {
+                balance -= withdrawal;
+                cout << "Successfully withdrawn the amount mentioned!" << endl;
+            }
+        }
+
+        float calcinterest(int time)
+        {
+            usleep(1000000);
+            float amount;
+            amount = balance * pow((1 + (rate / 100)), time);
+            float interest = amount - balance;
+            balance = amount;
+            return interest;
+        }
+
+        float getbalance()
+        {
+            usleep(1000000);
+            return balance;
+        }
+
+        ~bank()
+        {
+            usleep(1000000);
+            cout << "Hence,successfully closed your account!" << endl;
+        }
+};
+
+class loan
+{
+    private:
+        int temp;
+
+    public:
+    void approval(float credit_score, float loan_amount)
+    {
+        usleep(1000000);
+        temp=0;
+        if(loan_amount<1000)
+            cout<<"This loan amount is not available"<<endl;
+
+        if(loan_amount>=10000000&&credit_score>=800)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+
+        if(loan_amount>=1000000&&credit_score>=650&&loan_amount<10000000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+
+        if(loan_amount>=100000&&credit_score>=450&&loan_amount<1000000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+
+        if(loan_amount>=10000&&credit_score>=300&&loan_amount<100000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+
+        if(loan_amount>=1000&&credit_score>=200&&loan_amount<10000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+
+        if(temp==0)
+            cout<<"Sorry, this credit score can not fetch this amount of loan."<<endl;
+    }
+
+    void loan_approval()
+    {
+        usleep(1000000);
+        float credit_score, loan_amount;
+        cout<<"Enter your present credit score - ";
+        cin>>credit_score;
+        cout<<"Enter the amount of loan you want to request - ";
+        cin>>loan_amount;
+        approval(credit_score,loan_amount);
+    }
+}loan_class;
+
+int n = 0;
+void menu(bank &ob)
+{
+    cout<<"\033[2J\033[1;1H";
+    cout << "\tMENU\n";
+    cout << "1.DEPOSIT MONEY\n";
+    cout << "2.WITHDRAW MONEY\n";
+    cout << "3.CALCULATE INTEREST\n";
+    cout << "4.DISPLAY AVAILABLE BALANCE\n";
+    cout << "5.CHECK LOAN APPROVAL\n";
+    cout << "6.CLOSE ACCOUNT\n";
+    int ch;
+    cin >> ch;
+    cout<<"\033[2J\033[1;1H";
+    switch (ch)
+    {
+        case 1:
+            ob.deposit();
+            usleep(1000000);
+            return;
+        case 2:
+            ob.withdraw();
+            usleep(1000000);
+            return;
+        case 3:
+            int t;
+            cout << "Enter the time (in years) till when you want to keep the money in bank account: ";
+            cin >> t;
+            cout << "The interest you got is: " << ob.calcinterest(t) << endl;
+            usleep(1000000);
+            return;
+        case 4:
+            cout << "The current balance is: " << ob.getbalance() << endl;
+            usleep(1000000);
+            return;
+        case 5:
+            loan_class.loan_approval();
+            usleep(1000000);
+            return;
+        case 6:
+            n = 1;
+            usleep(1000000);
+            return;
+    }
+}
+
+// Driver Code
+int main()
+{
+    cout<<"\033[2J\033[1;1H";
+    int cash, rate;
+    cout << "Let's open the bank account first!\n";
+    usleep(1000000);
+    cout << "Enter initial balance: ";
+    cin >> cash;
+    cout << "Enter the rate of interest of the bank: ";
+    cin >> rate;
+    bank account(cash, rate);
+    while (1)
+    {
+        menu(account);
+        if (n == 1)
+            break;
+    }
+    return 0;
+}