Answer to Question #298730 in Java | JSP | JSF for Mesew

Question

import java.util.*;

class App {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.println("Enter a String: ");

String words[] = in.nextLine().split(" ");

for (int i = 0; i < words.length; i++) {

if (i % 2 == 0) {

System.out.print(words[i].substring(0, 1) + ". ");

} else {

System.out.print(words[i] + " ");

}

}

in.close();

}

}

Do this program without using array and split

Answer 1

import java.util.*;


class App {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.println("Enter a String: ");
        String line = in.nextLine();
        boolean space = true;
        boolean first = false;
        for (Character letter : line.toCharArray()) {
            if (letter == ' ') {
                System.out.print(letter);
                space = !space;
                first = false;
            } else if (space) {
                if (!first) {
                    System.out.print(letter + ".");
                    first = true;
                }
            } else {
                System.out.print(letter);
            }
        }
        System.out.println();
        in.close();
    }
}