How do I throw exceptions in Java?

How do I throw exceptions in Java?

In Java, you can throw an exception using the 'throw' keyword followed by an instance of an exception class.

Can you give me an example of throwing a custom exception?

Sure! You can create a custom exception by extending the Exception class. For example:

class MyException extends Exception {
    public MyException(String message) {
        super(message);
    }
}

throw new MyException("This is a custom exception!");

What are checked and unchecked exceptions?

Checked exceptions are checked at compile-time, while unchecked exceptions are checked at runtime. You must handle checked exceptions.

How do I handle exceptions in Java?

You can handle exceptions using try-catch blocks. For example:

try {
    // code that may throw an exception
} catch (MyException e) {
    // handle exception
}