Small Java program that will take in a file full of words seperated into lines and capitalizes those words and sorts them alphabetically.

CapitalizeAlphabetical.java

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

public class CapitalizeAlphabetical {
	
	public static void main(String[] args) {
		if (args.length == 1) {
			// Display help message
			if (args[0].toLowerCase().contains( "help".toLowerCase() )) {
				System.out.println("USAGE:   java CapitalizeAlphabetical <file_to_be_modified>");
			} else {
				File file = new File(args[0]);
				
				// Break down the file path
				String[] fileParts = args[0].split("/");
				String fileName = fileParts[fileParts.length - 1];
				String filePath = "";
				for (int i = 0; i < fileParts.length - 1; i++) {
					filePath += fileParts[i] + "/";
				}
				
				try {
					List<String> words = new ArrayList<String>();
					Scanner in = new Scanner(file);
					
					// Get words and capitalize them
					while (in.hasNextLine()) {
						String word = in.next();
						words.add(Character.toUpperCase(word.charAt(0)) + word.substring(1));
					}
					
					// Sort words alphabetically
					Collections.sort(words, new Comparator<String>() {
					    @Override
					    public int compare(String o1, String o2) {              
					        return o1.compareToIgnoreCase(o2);
					    }
					});
					
					// Write out the new file
					PrintStream out = new java.io.PrintStream(filePath+ "sorted-" + fileName);
					for (int i = 0; i < words.size(); i++) {
						out.println(words.get(i));
					}
					out.flush();
					out.close();
					System.out.println("FINISHED. Wrote: " + filePath+ "sorted-" + fileName);
				} catch (FileNotFoundException e) { e.printStackTrace(); }
			}
		} else {
			System.out.println("USAGE:   java CapitalizeAlphabetical <file_to_be_modified>");
		}
	}// END public static void main

}