Although very popular in organizations using IBM mainframes, it didn't have wider appeal. Why? ?? Error Handling Interrupts The ease of detecting and handling errors divide by zero influences programming languages. invalid address reference (segmentation Interrupts - an faults) unusual event, page fault detectable by software or break points hardware, that may require arithmetic overflows/underflows special processing. Software-generated Exceptions Exceptions - events generated by stack underflow (popping an empty stack) interrupts or other software subscript range Some languages (e.g., C++, Java) allow programmer-defined exceptions. Some languages provide extra features to aid in fixing error situations. Visual Basic and PL/I allow control to be returned back to the point of where an error occurred.
Although very popular in organizations using IBM mainframes, it didn't have wider appeal. Why? ?? Error Handling The ease of detecting and handling errors influences programming languages. Interrupts - an unusual event, detectable by software or hardware, that may require special processing. Exceptions - events generated by interrupts or other software Some languages (e.g., C++, Java) allow programmer-defined exceptions. Some languages provide extra features to aid in fixing error situations. Visual Basic and PL/I allow control to be returned back to the point of where an error occurred. Interrupts divide by zero invalid address reference (segmentation faults) page fault break points arithmetic overflows/underflows Software-generated Exceptions stack underflow (popping an empty stack) subscript range
cs3723OverviewWO.docx