What are the differences among bool, boolean and Boolean in Java/Android?
3 Answers
boolean is a primitive boolean type and occupies less memory. Boolean is the wrapper object for a boolean which introduced in JDK 1.5.
- Suppose you have a service API which will execute a query and get the data from multiple tables.
- After that this data is to be manipulated and converted into the json object.
- During this conversion, it ight be possible that some boolean field may have 'NULL' as value.
- While receiving it as a response, you will definately parse it into an object.
- This automatic conversion may fail if your conversion logic will try to parse Boolean 'NULL' value into boolean primitive variable because boolean can't accept 'NULL' values.
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