RAD studio: rapid application development studio.
Commonly used RAD tools are: Visual Studio, RAD studio, etc.
The difference between delphi XE and RAD studio is that:
RAD studio is an environment that provides programmers with rapid software application development tools. It usually includes at least two development tools, Delphi and C++Builder, which use Delphi (Object Pascal) and C++ respectively. RAD studio of different periods and versions may also contain other software tools.
Delphi is a part of RAD studio.
Early Delphi and C++Builder are two products of Borland of the same company, but they are not combined, but sold separately, such as the installation interface of delphi 7:
Since RAD was released. Studio.20 10 was integrated by the new company Embarcadero around 2009:
Subsequent versions have been integrated and released under the name of RAD Studio:
XE is a version of delphi series, which was released by Embarcadero Company on 20 10. The existing versions are XE, XE2, XE3-XE 10, and the latest version is Delphi XE 10.2.