Memory layout of primitives versus objects Using an approach similar to that of Glen McCluskey in “Java primitive types vs. wrappers,” the method shown in Listing 1 measures the number of ...

This would represent a number, which in turn ... These are referred to as “primitive data types” as they are built right into the functioning of Java and can’t be broken down any further.

Q: Is there a method in Java for determining the size of a primitive type, similar to C++’s sizeof operator? A: The short answer: you can’t find the size of a Java primitive type through a ...

and then performs a math operation on the converted value to prove that it behaves like a primitive long type and not a Java String. Each of these methods return a whole number that fits within the ...