The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.

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Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.

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How to read CSV file in Golang using reader from encoding/csv package. For this example we took an simple example of a CSV file containing three columns name, address and phone.

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How to write CSV file in Golang using writer from encoding/csv package. For this example we took an simple example of a CSV file containing three columns name, address and phone.

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To mesure the time used by an application in Golang or of a code section the functions time.Now() and time.Since() can be used.

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In Golang there a are two libraries for generating random integers, one is a pseudo-random number generator (package math/rand) and the second one is cryptographically secure random number generator (package crypto/rand)

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