October 2018
Intermediate to advanced
370 pages
9h 15m
English
Content preview from Hands-On Object-Oriented Programming with Kotlin
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What are data classes?
During the application's development, classes are used quite often as a data-holder, not to carry out complex tasks. These classes only contain properties for reading and writing purposes. The person class is a simple example of a class used as a data-holder. If the sole responsibility of the class is to handle data, programmers may want the class to be able to carry out additional functionalities:
- The data should be in a well-presented format
- We should be able to compare object properties
- We should be able to clone existing objects
All these functionalities can be written by the programmer. Alternatively, an advanced IDE could generate this code automatically. Either way, the project would be filled with boilerplate ...
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