TPL final act

Activity.java

package activity;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;
import java.util.logging.Level;

/**
 *
 * @author wernancheta
 */
public class Activity {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        
       
        File words_file = new File("./files/words.txt"); 
        File syn_file = new File("./files/synonyms.txt");
        
        FileReader fr;
        FileReader fr2;
        
        Scanner input = new Scanner(System.in);
        
        String words[][] = new String[5][3];
        
        int choice;
        
        int index = 0;
        
        try {
            fr = new FileReader(words_file);
            fr2 = new FileReader(syn_file);

            BufferedReader br = new BufferedReader(fr); 
            BufferedReader br2 = new BufferedReader(fr2);

            try {
                for(String data = br.readLine(); data != null; data = br.readLine()){        
                   words[index][0] = data;
                   index++;
                }
            } catch (IOException ex) { 
                System.out.println("io exception");
            }

            index = 0;
            
            try {
                for(String data2 = br2.readLine(); data2 != null; data2 = br2.readLine()){        
                    words[index][1] = data2; 
                    index++;
                }
            } catch (IOException ex) { 
                System.out.println("io exception");
            }

        } catch (FileNotFoundException ex) {
            System.out.println("file not found");
        }                
        
        
        
        do {
            int count = 1;
            
            for(int x = 0; x < words.length; x++){
                System.out.println(count + ". " + words[x][0]);
                count++;
            }
            System.out.println();
            System.out.print("Select a word (number only): ");
            choice = input.nextInt();
            
            if(choice > 5 || choice < 1){
                System.out.println("Invalid Input");
            }else{
                System.out.println();
                System.out.println(choice + "." + words[choice - 1][0]);
                
                System.out.println("Synonyms:");
                //System.out.print("\t");
                //System.out.println(words[choice - 1][1].replace(", ", "\n\t"));
                
                String first = words[choice - 1][1].substring(0, words[choice - 1][1].indexOf(","));
                String sec = words[choice - 1][1].substring(words[choice - 1][1].indexOf(",") + 2, words[choice - 1][1].lastIndexOf(","));
                String third = words[choice - 1][1].substring(words[choice - 1][1].lastIndexOf(",") + 2);
                System.out.println("\t1. " + first);
                System.out.println("\t2. " + sec);
                System.out.println("\t3. " + third);
                System.out.println("============================");    
            }
           
            
        } while (true);
        
        
      
    }
    
}