Ayuda en unas lineas?????

import java.io.*;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.IOException;

public class Palabras{
private static Object elementos;

public static void main(String args[]) throws IOException{

int i;
String b, c = null;

String pal[]=new String[3];
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

System.out.println("Palabras a introducir");
String dato=br.readLine();

int dat = Integer.parseInt(dato);

for(i=0; i