BACKWARDS cleaned

import java.util.Scanner;

public class backwards {
    public static void main(String[] args) {

        //scanner
        Scanner kbin = new Scanner(System.in);

        //sentence input
        System.out.println("enter a sentence: ");
        String sentence = kbin.nextLine();

        //sentence data
        int sentenceLength = sentence.length();
        int spaces = 0;

        //selection for substring of words
        String selection = "";
        int selectionStart = 0;
        int selectionEnd = 0;

        //for loop (count spaces)
        for (int x = 0; x < sentenceLength; x++) {
            String character = sentence.substring(x,x+1);

            if (character.equals(" ")) {
                spaces++;
            }
        }

        //create array to start scanning and storing for words
        String[] words = new String[spaces + 1];
        int wordArr = 0;

        //for loop (scan and assign words to array)
        for (int x = 0; x < sentenceLength; x++) {
            String character = sentence.substring(x,x+1);

            if (x == sentenceLength-1) {

                if (character.equals(" ") && x == sentenceLength - 1) {
                    selectionEnd = x;
                } else {
                    selectionEnd = x + 1;
                }

                words[wordArr] = sentence.substring(selectionStart, selectionEnd);
                selectionStart = x + 1;

            } else if (character.equals(" ")) {
                selectionEnd = x;
                words[wordArr] = sentence.substring(selectionStart, selectionEnd);
                selectionStart = x + 1;
                wordArr++;

            }
        }

        //for loop (prints words backwards)
        for (int x = words.length - 1; x >= 0; x--) {
            System.out.print(words[x] + " ");
        }
    }
}