compile error: cannot find symbol: In, StdIn and StdOut

Question

The code is from http://algs4.cs.princeton.edu/11model/BinarySearch.java.html for Algorithms textbook.

import java.         


        

Answer 1

StdIn and In are custom Libraries that are included within the algs4 class download. Execute the program with the command java-algs4 instead of just java and it should work.