marcosmalheiros / javadesafiofinalcursoum

This Java code is a simple banking application that allows a user to perform various operations on an account, such as checking balance, transferring money, and receiving money. Let's break it down:

1. The Main class contains the main method, which is the entry point of the program.
2. Inside main, variables are initialized:
   • name: Stores the name of the account holder.
   • typeAccount: Stores the type of the account.
   • balance: Stores the current balance in the account.
   • option: Stores the user's choice from the menu.
3. The initial account information is printed to the console.
4. The menu variable stores a multi-line string containing the menu options for the user.
5. An instance of Scanner named reading is created to read user input from the console.
6. A while loop runs until the user selects option 4 (Exit).
7. Inside the loop:
   • The menu is printed.
   • User input is read and stored in the option variable.
   • Depending on the user's choice, different actions are taken:
     • If the user chooses option 1, the current balance is printed.
     • If the user chooses option 2 (Transfer), they are prompted to enter the amount to transfer. If the balance is sufficient, the transfer is made, and the new balance is printed; otherwise, a message indicating insufficient funds is printed.
     • If the user chooses option 3 (Receive), they are prompted to enter the amount to receive, and the balance is updated accordingly.
     • If the user chooses an invalid option, a message is printed.
8. The loop continues until the user selects option 4 to exit the program.

Overall, this program provides basic banking functionality allowing the user to check balance, transfer money, and receive money, with error handling for invalid inputs and insufficient funds.