Programmer Group

catalogue preface 1, Exception overview 2, Exception handling 3, Custom exception preface     hello, guys, long time no see! In today's article, I want to talk about the exception class of Java. I believe the little friends who have learned Java are not unfamiliar with exceptions. Then the little friends who have l ...

preface Complete the introduction to Java exceptions first , and then complete Java advanced. 1, Automatically close resources The JVM does not recycle hardware resources (such as I/O resources). That is what the OS does. The JVM will recycle the resources occupied by objects in heap memory. When IOException occurs in the I/O flo ...

Exception: An error that occurs during program operation. Exception is an abnormal phenomenon in the running process of the program, resulting in the interruption of the program. In java, various exception phenomena are abstracted to form exception classes Exceptions are mainly divided into error, general exception and runtime exception Error ...