Unchecked Exception and its description.

• ArithmeticException = Arithmetic error, like integer divided by 0.
• ArrayIndexOutOfBoundsException = invalid index.
• ArrayStoreException = Does not match the expected data type.
• InputMismatchException = Entering a value that does not match the expected data type.
• NullPointerException = Invalid use of a null reference.
• NumberFormatException = Invalid conversion of a string to a numeric format.
• StringIndexOutOfBoundsException = Accessing invalid index (character) of a string.