// 1. REMOVING UNWANTED SPACE
    // 2. CAPITALIZE EACH WORD

package taskPkg;

import java.util.Scanner;

public class PlayingWithCharAr {

	public static void main(String[] args) {
		// 1. REMOVING UNWANTED SPACE
		// 2. CAPITALIZE EACH WORD
		Scanner scn = new Scanner(System.in);
		System.out.println("Enter a sentence...");
		String sentence = scn.nextLine();
		scn.close();
		char[] sen = sentence.toCharArray();
		PlayingWithCharAr obj = new PlayingWithCharAr();
		obj.removeSpace(sen);
		obj.wordStartWithCaps(sen);
	}

	private void removeSpace(char[] words) {
		int k = 0, n = words.length;
		System.out.print("Removed unwanted spaces :");
		while (k < n && words[k] == ' ')
			k++;
		for (; k < n - 1; k++) {
			if (!(words[k] == ' ' && words[k + 1] == ' '))
				System.out.print(words[k]);
		}
		if (words[n - 1] != ' ')
			System.out.print(words[n - 1]);
		System.out.println();
	}

	private void wordStartWithCaps(char[] words) {
		int i = 0, n = words.length;
		System.out.print("Capitalize Each Word :");
		if (words[i] != ' ')
			System.out.print((char) (words[i] - 32));
		for (i = 1; i < n; i++) {
			if (words[i - 1] == ' ' && words[i] != ' ' && (words[i] >= 'a' && words[i] <= 'z'))
				System.out.print((char) (words[i] - 32));
			else
				System.out.print(words[i]);
		}
	}

}