Advanced API Generation Prompt Template

// Import necessary libraries and dependencies
@RestController
@RequestMapping("/api/banking")
public class BankingController {
@Autowired
private UserService userService;

@PostMapping("/register")
public ResponseEntity<String> registerUser(@RequestBody User user) {
    // Validate and save user data to the database
    userService.registerUser(user);
    return ResponseEntity.ok("User registered successfully");
}

@PostMapping("/login")
public ResponseEntity<String> loginUser(@RequestBody LoginRequest loginRequest) {
    // Validate user credentials and generate JWT token for authentication
    String jwtToken = userService.loginUser(loginRequest);
    return ResponseEntity.ok(jwtToken);
}

@PostMapping("/setup-mfa")
public ResponseEntity<String> setupMFA(@RequestBody MFASetupRequest mfaSetupRequest) {
    // Send a one-time code to the user's registered mobile or email for MFA setup
    userService.setupMFA(mfaSetupRequest);
    return ResponseEntity.ok("MFA setup code sent successfully");
}

@PostMapping("/transfer-funds")
public ResponseEntity<String> transferFunds(@RequestBody FundTransferRequest fundTransferRequest) {
    // Check user's permissions and process fund transfer
    userService.transferFunds(fundTransferRequest);
    return ResponseEntity.ok("Funds transferred successfully");
}

// Implement access control, authorization, and other functionalities

// Add clear comments and documentation to explain the code

// Implement industry-standard security measures, including data encryption and secure authentication

// Optimize for high traffic, real-time data, and scalability considerations

// Include relevant test cases and testing strategy for quality assurance

}
Please note that this is a simplified code snippet. In a real-world scenario, you would need to implement the methods and dependencies for user registration, login, MFA, access control, authorization, security measures, optimization, and testing as specified in the original prompt.