Section 7.5 Exception Handling: Processing the Incorrect Response
• An exception indicates a problem that occurs while a program executes. The name “exception” suggests that the problem occurs infrequently—if the “rule” is that a statement normally executes correctly, then the problem represents the “exception to the rule.”
• Exception handling (p. 256) enables you to create fault-tolerant programs.
• When a Java program executes, the JVM checks array indices to ensure that they’re greater than or equal to 0 and less than the array’s length. If a program uses an invalid index, Java generates an exception (p. 256) to indicate that an error occurred in the program at execution time.
• To handle an exception, place any code that might throw an ...
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