Which describes a characteristic of setting up the Java development environment?
A. Setting up the Java development environment requires that you also install the JRE.
B. The Java development environment is set up for all operating systems by default.
C. You set up the Java development environment for a specific operating system when you install the JDK.
D. Setting up the Java development environment occurs when you install an IDE before the JDK.
must be A
should be C
B