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Exception Handling ​

try-catch Blocks: ​

Exception handling allows you to handle errors gracefully using try-catch blocks.

java
// try-catch block
try {
    int result = 10 / 0;
} catch (ArithmeticException e) {
    System.out.println("Cannot divide by zero.");
}

Multiple Catch Blocks: ​

You can handle multiple exceptions in a single try-catch block.

java
// Multiple catch blocks
try {
    int[] numbers = {1, 2, 3};
    System.out.println(numbers[5]);
} catch (ArrayIndexOutOfBoundsException e) {
    System.out.println("Index out of bounds.");
} catch (Exception e) {
    System.out.println("An error occurred.");
}

Custom Exceptions: ​

You can create custom exception classes by extending the Exception class.

java
// Custom exceptions
public class MyCustomException extends Exception {
    public MyCustomException(String message) {
        super(message);
    }
}

try {
    throw new MyCustomException("This is a custom exception.");
} catch (MyCustomException e) {
    System.out.println(e.getMessage());
}