Thinking Recursively With Java By Eric Roberts Pdf 16
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Next to computer science I studied cognitive psychology on university. What even most psychologists are not aware of is that the way of thinking in humans variies a lot. Most people have vivid visual memories of past events or locations they have visited. For other pepole it completely impossible to have a mental picture in their inner eye. Some people do think in words and sentences. They live with a narrator who almost constantly talks to them. Others cannot even comprehend the idea how this would be to have a inner voice talking to them.
Although Java's garbage collector makes the program a little slow in performance when compared to C#, it is thereby very easy to implement. The List class implicitly includes an array-based collection and so no particular memory management is performed. Because most Java applications do very few GC activities, the memory management overhead is minimal.
In fact, both Java and C# make it incredibly hard to write object-oriented code, if not plain impossible. E.g. Guy L. Steele has shown that Proper Tail Calls are required to maintain Object-Oriented Encapsulation, but neither Java nor C# (nor C++, Python, Ruby, PHP, not even Scala) support it; ECMAScript specifies it but most implementations ignore that part of the specification.
“… the garbage collector overhead is extremely high, and it is the first thing people notice about Java. A well-written Java app can be 10-100x slower than a well-written C# app. The backstory is that the garbage collector is implemented as a mark-sweep collector, where nodes are marked as reachable, and then some special algorithms are used to locate unreachable nodes. It is not a simple mark-sweep collector, but it is extremely complicated. Some people have tried to improve the collector performance by making it less complicated, but to no avail.” 7211a4ac4a