Rhyming Words
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* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
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import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.PipedReader;
import java.io.PipedWriter;
import java.io.PrintWriter;
import java.io.Reader;
public class RhymingWords {
public static void main(String[] args) throws IOException {
FileReader words = new FileReader("words.txt");
// do the reversing and sorting
Reader rhymedWords = reverse(sort(reverse(words)));
// write new list to standard out
BufferedReader in = new BufferedReader(rhymedWords);
String input;
while ((input = in.readLine()) != null)
System.out.println(input);
in.close();
}
public static Reader reverse(Reader source) throws IOException {
BufferedReader in = new BufferedReader(source);
PipedWriter pipeOut = new PipedWriter();
PipedReader pipeIn = new PipedReader(pipeOut);
PrintWriter out = new PrintWriter(pipeOut);
new ReverseThread(out, in).start();
return pipeIn;
}
public static Reader sort(Reader source) throws IOException {
BufferedReader in = new BufferedReader(source);
PipedWriter pipeOut = new PipedWriter();
PipedReader pipeIn = new PipedReader(pipeOut);
PrintWriter out = new PrintWriter(pipeOut);
new SortThread(out, in).start();
return pipeIn;
}
}
class SortThread extends Thread {
private PrintWriter out = null;
private BufferedReader in = null;
public SortThread(PrintWriter out, BufferedReader in) {
this.out = out;
this.in = in;
}
public void run() {
int MAXWORDS = 50;
if (out != null && in != null) {
try {
String[] listOfWords = new String[MAXWORDS];
int numwords = 0;
while ((listOfWords[numwords] = in.readLine()) != null)
numwords++;
quicksort(listOfWords, 0, numwords - 1);
for (int i = 0; i < numwords; i++)
out.println(listOfWords[i]);
out.close();
} catch (IOException e) {
System.err.println("SortThread run: " + e);
}
}
}
private static void quicksort(String[] a, int lo0, int hi0) {
int lo = lo0;
int hi = hi0;
if (lo >= hi)
return;
String mid = a[(lo + hi) / 2];
while (lo < hi) {
while (lo < hi && a[lo].compareTo(mid) < 0)
lo++;
while (lo < hi && a[hi].compareTo(mid) > 0)
hi--;
if (lo < hi) {
String T = a[lo];
a[lo] = a[hi];
a[hi] = T;
lo++;
hi--;
}
}
if (hi < lo) {
int T = hi;
hi = lo;
lo = T;
}
quicksort(a, lo0, lo);
quicksort(a, lo == lo0 ? lo + 1 : lo, hi0);
}
}
class ReverseThread extends Thread {
private PrintWriter out = null;
private BufferedReader in = null;
public ReverseThread(PrintWriter out, BufferedReader in) {
this.out = out;
this.in = in;
}
public void run() {
if (out != null && in != null) {
try {
String input;
while ((input = in.readLine()) != null) {
out.println(reverseIt(input));
out.flush();
}
out.close();
} catch (IOException e) {
System.err.println("ReverseThread run: " + e);
}
}
}
private String reverseIt(String source) {
int i, len = source.length();
StringBuffer dest = new StringBuffer(len);
for (i = (len - 1); i >= 0; i--)
dest.append(source.charAt(i));
return dest.toString();
}
}
//word.txt
/*
anatomy
animation
applet
application
argument
bolts
class
communicate
component
container
development
environment
exception
graphics
image
input
integrate
interface
Java
language
native
network
nuts
object
output
primer
program
security
stream
string
threads
tools
user
*/
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