getBigWords method

import java.util.Scanner;

public class SentenceTool {

    public static void main(String[] args){

        Scanner scan = new Scanner(System.in);
        System.out.println("Write a sentence, and I'll tell you how many words in that sentence contain more than five letters!");
        String sentence = scan.nextLine();

        String[] output = SentenceTool.getBigWords(sentence);

        if(output.length == 0){
            System.out.println("Your sentence did not contain any words of more than five letters.");
        } else if (output.length == 1){
            System.out.println(output[0] + " is the only word that was more than five letters from your sentence.");
        } else {
            System.out.print("Your sentence contains " + output.length + " words that are five letters or longer: ");
            for (int i=0; i<output.length; i++) {
                if(i != (output.length-1){
                    System.out.print(output[i] + ", ");
                } else {
                    System.out.print("and " + output[i] + ".");
                };
            };

    };

    public static String[] getBigWords (String sentence) {

        int count = 0;
        int numBigWords = 0;
        String bigWord = "";

        for (int i=0; i<sentence.length(); i++){
            if((sentence.charAt(i) >= 'a' && sentence.charAt(i) <= 'z') || (sentence.charAt(i) >= 'A' && sentence.charAt(i) <= 'Z')){
                count++;
            } else {
                if(count>5){
                    numBigWords++;
                };
                count = 0;
            };
            if (i == sentence.length()-1){
                if(count>5){
                    numBigWords++;
                };
            };
        };

        String[] wordArray = new String[numBigWords];

        numBigWords = 0;
        count = 0;

        for (int j=0; j<sentence.length(); j++){
            if((sentence.charAt(j) >= 'a' && sentence.charAt(j) <= 'z') || (sentence.charAt(j) >= 'A' && sentence.charAt(j) <= 'Z')){
                count++;
                bigWord += sentence.charAt(j);
            } else {
                if(count>5){
                    wordArray[numBigWords] = bigWord;
                    numBigWords++;
                };
                bigWord = "";
                count = 0;
            };
            if (j == sentence.length()-1){
                if(count>5){
                    wordArray[numBigWords] = bigWord;
                    numBigWords++;
                };
            };
        };

        return wordArray;

    };
};