Introduction - If you have any usage issues, please Google them yourself
Abnormal refers to the program running when the abnormal situation of, also known as discrepancies, violations, etc. In the previous section of the mistake is abnormal operation introduced the main phenomenon. When abnormal phenomenon occurs, can cause to run the program interrupt, system crash. Java program can use specific statements to deal with problems and continue program execution, and don t let the interruption of the program. Java language provides a Exception handling class Exception classes, special processing program during the execution of mistakes. Whenever Java program running occurred in the process of identification of a runtime error, the wrong when there is an exception class and the relative, the system will generate a timely corresponding the abnormal objects of a class, which produce an exception. Java language exception handling mechanism has the following some advantages