campos

When I'm studying Object-Oriented Programming, at times I hear about Fields and attributes of a class, but the two seem to be ... to refer to the same thing. What's the difference? Taking advantage, can we say that a property is an attribute or a field?

A constant in java cannot be changed, but can an initial value be assigned through another variable ? For example, if we ha ... ssign the value it returned to a constant? What are the ways to "unchanged" a value that has been calculated from another(s)?