Fill in the blanks in each of the following sentences about the Java environment:

a) The __________ command from the JDK executes a Java application.

b) The __________ command from the JDK compiles a Java program.

c) A Java source code file must end with the __________ file extension.

d) When a Java program is compiled, the file produced by the compiler ends with the __________ file extension.

e) The file produced by the Java compiler contains __________ that are executed by the Java Virtual Machine.