A simple java program, showing speed of O(n) search in an exemplary Library API.
For example, in windows: javac com\piotrekwitkowski\bookspeed\BookspeedTest.java
When in src folder, run simply
java com.piotrekwitkowski.bookspeed.BookspeedTest
for the default test with 100.000 books in the library
or
java com.piotrekwitkowski.bookspeed.BookspeedTest 100
for any other (int) number