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Original Post: Are checked exceptions good or bad?
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Java supports checked exceptions. This controversial language feature is loved by some and hated by others, to the point where most programming languages avoid checked exceptions and support only their unchecked counterparts.
In this post, I examine the controversy surrounding checked exceptions. I first introduce the exceptions concept and briefly describe Java's language support for exceptions to help beginners better understand the controversy.
What are exceptions?
In an ideal world, computer programs would never encounter any problems: files would exist when they are supposed to exist, network connections would never close unexpectedly, there would never be an attempt to invoke a method via the null reference, integer-division-by-zero attempts wouldn't occur, and so on. However, our world is far from ideal; these and other exceptions to ideal program execution are widespread.
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