SpellChecker.java

Below is the syntax highlighted version of SpellChecker.java from §4.4 Symbol Tables.

/******************************************************************************
 *  Compilation:  javac SpellChecker.java
 *  Execution:    java SpellChecker words.txt
 *  Dependencies: SET.java In.java StdIn.java
 *  Data files:   https://introcs.cs.princeton.edu/java/data/words.utf-8.txt
 *
 *  Read in a dictionary of words from the file words.txt, and print
 *  out any misspelled words that appear on standard input.
 *
 *
 ******************************************************************************/

public class SpellChecker {
    public static void main(String[] args) {
        SET<String> dictionary = new SET<String>();

        // read in dictionary of words
        In dict = new In(args[0]);
        while (!dict.isEmpty()) {
            String word = dict.readString();
            dictionary.add(word);
        }
        StdOut.println("Done reading dictionary");

        // read strings from standard input and print out if not in dictionary
        StdOut.println("Enter words, and I'll print out the misspelled ones");
        while (!StdIn.isEmpty()) {
            String word = StdIn.readString();
            if (!dictionary.contains(word)) StdOut.println(word);
        }
    }
}