Compiling a Java program

1.  The 2 main components of the Java platform are the Java Virtual Machine and the Java Application Programming Interface.
2.  The file extension of a Java source code file is the .java extension.
3.  The file extension of a file that has been compiled is the javac compiler.
4.  The name of the Java compiler is the javac compiler.
5.  The type of code contained by a .class is called bytecodes.
6.  The language of the Java Virtual Machine is bytecodes.
7.  Libraries of related classes and interfaces are called packages.