In previous chapters, we learned how to write programs by using different language constructs. Those programs run on one machine. But modern applications interact with many other external systems. These systems can be databases, SaaS applications, APIs, or other dependent programs that are running in different processes or sometimes on different machines. Therefore, we need to write programs to interact with external systems, and these interactions mainly happen over the computer network. ...
© Anjana Fernando and Lakmal Warusawithana 2020
A. Fernando, L. WarusawithanaBeginning Ballerina Programminghttps://doi.org/10.1007/978-1-4842-5139-3_88. Programming the Network
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