We say that two types are compatible in Java if it’s possible to transfer data between variables of the types. Data transfer is possible if the compiler accepts it, and is done through ...

Variables and primitive types Called primitive types, integral and floating point types are the simplest data types in Java. The following program illustrates the integral type, which can hold ...

We have only discussed a couple of the potential problems caused by bad data types. In general, it is best to assign your columns the data type (and length) that best matches the values in its domain.