If all of the values fall within the range of a float, it makes sense to use the smaller Java data type in this situation, otherwise the array elements needlessly consume memory.

Developers use variables in Java to hold data, with all variables having ... integral types and two floating point types, which both hold different ranges of numbers and take up varying amounts ...

To simplify display, you can use %d printf notation to format a Java double’s precision to two decimal places, while internally the double variable’s precision is maintained. The lower range of a ...

Listing 3. Excerpts from the meta-file that specifies the Java data types of various elements declared in the keplerian_elements.dtd file.