A Java Exceptions must read guide

I think the first thing we should discuss is: what is an exception. In a short definition: an exception is a notification of an execution error occurrence. What kind of errors can occur: programmin…

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Java’s Unspeakable Types

It obviously cannot be any type that we ordinarily encounter. A variable of type String cannot hold a value of type Object — the Liskov substitution properties simply do not work that way round. The… (more…)

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