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Aspect-Oriented Programming (AOP) complements Object-Oriented Programming (OOP) by providing another way of thinking about program structure. The key 阅读全文
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Previously we use Application Context to get Bean and Dependenies injection. It is actually easier to use 'CommonLineRunner'. Main beneift is we can u 阅读全文
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Given a number N, the output should be the all the prime numbers which is less than N. The solution is called Sieve of Eratosthenes: First of all, we 阅读全文
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succ :: Doing N + 1 times fn. add :: Doing N times succ, based on K mult :: is B pow :: or Thrush, is flip isZero :: return just T otherwise K(F) , K 阅读全文
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Private variable in class: class field syntax: Previously you need to call 'super' But now, we don't need to, you can use classs field: Above two feat 阅读全文