How do you determine which specific exception to handle in your code?

To determine which specific exception to handle in Java, you need to understand what errors can occur in your code and which of them you can handle correctly.

Main steps:

1. Study the documentation of the methods used. Many methods specify which exceptions they can throw (checked exceptions).
2. Handle only those exceptions that you can logically process or recover from. For example, if you are reading a file, you can handle FileNotFoundException or IOException.
3. Do not catch too general exceptions (for example, Exception) unless justified. This can hide real errors.
4. Use multiple catch blocks for different exceptions if different behavior is needed.

Example:

try {
    FileReader reader = new FileReader("file.txt");
    // work with the file
} catch (FileNotFoundException e) {
    System.out.println("File not found: " + e.getMessage());
} catch (IOException e) {
    System.out.println("Input/output error: " + e.getMessage());
}

Thus, the choice of exception depends on the context and the error handling capabilities in your code.