Java 天地·Core Java·Lecture Notes·Unit 10 - Applications, File Handling and Exceptions

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Introduction to exceptions

The purpose of this section is to introduce the types of exceptions (‘errors’) to which a computer program is subject, and describe how a Java program can be made to behave predictably even in the presence of exceptions

It is important for the design and development of usable and robust programs to anticipate the kinds of errors to which your programs will be subject. Java’s Exception handling system can be used to write programs that are tolerant of user and system errors.