Chapter 43

Question 1

What are techniques for error handling

Answer 1

• Abnormal termination
• Graceful termination
• Return the illegal value
• Return error code
• Exception handling

Question 2

What is graceful termination

Answer 2

Program can be designed in such a way that instead of abnormal termination, that causes a wastage of memory, resources, program perform clean up tasks.

Question 3

What about illegal value error handling

Answer 3

The programmer might ignore return value of function. This may result in illegal value and result in crash of program

Question 4

What about exception handling

Answer 4

Exception handling is more elegant way from other error handling mechanism. The separate the program logic and error handling code.

Question 5

What data type should be use for throw

Answer 5

Primitive data types should be avoided. Create new classes to represent exception encountered.