Java's Throwable Class

1. Contains all possible errors and exceptions in Java.

2. Has two categories: Error class and Exception class.

3. Difference between error and exception?

Checked Exceptions

1. Checked during compile time

2. Either must be handled (using try-catch) or specified using "throws"

Unchecked Exceptions

1. Not checked during compile time

2. Useful if you want to just get the program compiled without any problems

Checked or Unchecked Exceptions?