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package algs35;
import stdlib.*;
/* ***********************************************************************
* Compilation: javac DeDup.java
* Execution: java DeDup < input.txt
* Dependencies: SET StdIn.java StdOut.java
* Data files: http://algs4.cs.princeton.edu/35applications/tinyTale.txt
*
* Read in a list of words from standard input and print out
* each word, removing any duplicates.
*
* % more tinyTale.txt
* it was the best of times it was the worst of times
* it was the age of wisdom it was the age of foolishness
* it was the epoch of belief it was the epoch of incredulity
* it was the season of light it was the season of darkness
* it was the spring of hope it was the winter of despair
*
* % java DeDup < tinyTale.txt
* it
* was
* the
* best
* of
* times
* worst
* age
* wisdom
* ...
* winter
* despair
*
*************************************************************************/
public class DeDup {
public static void main(String[] args) {
StdIn.fromFile ("data/tinyTale.txt");
SET<String> set = new SET<>();
// read in strings and add to set
while (!StdIn.isEmpty()) {
String key = StdIn.readString();
if (!set.contains(key)) {
set.add(key);
StdOut.println(key);
}
}
}
}
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