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Java is a high-level, platform-independent, object-oriented programming language originally developed by Sun Microsystems. Java is currently owned by Oracle, which purchased Sun in 2010.

1 vote
2 answers
222 views

What is the accepted practice for handling numeric conversions under OOP?

I am making a weather app that involves temperatures. You can change between Kelvin, Celsius, and Fahrenheit just for fun. However, temperature figures get used all over the place in different ways. …
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16 votes
3 answers
23k views

Best practices for using public, protected, private?

Is it fair to say that it is good practice to default everything to private up front when coding something? And then only upgrade it to protected if a subclass needs it, or public if another class n …
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  • 3,048
1 vote
1 answer
182 views

Better way to organize query methods in Android?

In my Android app I have: A SQLiteHelper class that extends SQLIteOpenHelper, and takes care of things like table-creation and upgrades. A SQLiteDatasource class that performs CRUD operations on the …
AJJ's user avatar
  • 3,048
3 votes
2 answers
3k views

Using MVC style, where is the best place to put SQL functionality?

I am wondering about best practices here. MVC (Model - View - Controller) patterns involve separating components of your program that model the data, manipulate those models, and display those result …
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  • 3,048
2 votes
3 answers
377 views

Java/Android CRUD SQL design

All the SQL in my app... Should I be confining it to its own special class? For example a MyDatabase class that extends SQLiteOpenHelper and implements all the create-tables, defines all the table …
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  • 3,048