What is happening when you set a compilation path?

What is happening when you set a compilation path?

References

Reference NO 1

http://docs.oracle.com/javase/7/docs/technotes/tools/solaris/javac.html

Reference NO 2

http://ptolemy.eecs.berkeley.edu/~johnr/tutorials/tcljava98/notes/compiling.html

Reference NO 3

http://www.gnu.org/s/libc/manual/html_node/Configuring-and-compiling.html

Reference NO 4

http://stackoverflow.com/questions/1419269/what-happens-when-i-compile

Reference NO 5

http://forums.codeblocks.org/index.php?topic=17442.0

Reference NO 6

http://www.horstmann.com/bigj/help/compiler/tutorial.html

Reference NO 7

http://www.cs.swarthmore.edu/~newhall/unixhelp/debuggingtips_Java.html

Reference NO 8

http://math-atlas.sourceforge.net/errata.html