Java Exceptions Overview (simplified version)

1:arithmeticexception

Description: This problem occurs when there are operating conditions that do not conform to the rule, such as when the divisor is 0.

2:arrayindexoutofboundsexception

Description: This exception was thrown when using an illegal index, such as a negative index

3:indexoutofboundsexception

Description: Index (corner label) is out of bounds, for example, array length is 1 o'clock, get index 2

4:arraystoreexception

Description: An array store exception, that is, the type of the array and the type of data stored does not match.

5:classcastexception

Description: Class conversion exceptions, such as forcibly converting a class to a subclass other than an instance

6:illegalargumentexception

Description: A case where the parameter is not valid or the parameter is incorrect.

7:negativearraysizeexception

Description: An attempt was made to create an illegal array with an invalid array length, such as a negative length.

8:nullpointerexception

Description: A null pointer exception, such as a program requires a property of an object, but this object is null to throw this exception.

9:numberformatexception

Description: A case in which the program attempted to convert a string to a numeric value.

10:stringindexoutofboundsexception

Description: The index (corner label) is out of bounds and refers to a string.

11:classnotfoundexception

Description: The corresponding class could not be found, and if it was included in spring, the required class would throw this exception without annotations.

12:nosuchmethodexception

Description: This method does not exist, such as the new method in the MAVEN project and not compiled. This type of problem is thrown.

Java Exceptions Overview (simplified version)