Write a Java code to manage simple bank account class. It supports following operations: • Deposit money (to add an amount in current balance) • Withdraw money (to subtract an amount from current balance) • Check balance (to display current balance of customer) Note: Use switch statement to enter choice of function from user. For initially create a function with name saving account to store the current balance of customer.

Python

Each function inside the class A(n)_ is a virtual function. Provide your thoughts by filling in the blanks.

when an application uses pointers or references from the base class to call a virtual function, allowing several implementations of the same functionality to use the same code.

Write a C++ program, you will create a class called Books to hold the information about the books in a library. The information required for each book is as follows Book Title Author name Publisher Publish year Subject Book ID (identical 5 digits’ number) Implement the following getBookInfo () member function that receives a pointer to a book and fills it up with user data. User input validation is necessary. The user should be properly prompted for each field. void getBookInfo (Books *b) Implement the following printBookInfo () member function. void printBookInfo (Books *b) Your function should print the book in the following format: Book Title : Object Oriented Programming Using C++ Author : Chris M. Szalwinski Publisher : Amazon Year : 2016 Subject : Computer Science Book Id : 00034 Note: You need to add required constructors/destructors, member functions or data members/variables in your program to complete its execution. //Missing lines of codes to be completed by the student }…