Answer to Question #298882 in Java | JSP | JSF for Setner

Question

Write a program to take a String name as input then display the name's first and last words as it was and the middle will be only first letter using substring and indexOf.

Example:

Enter a String

Meser chen Rixou xang

Meser c.R. xang

Don't use array and split

Answer 1

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.println("Enter a String");
        String line = in.nextLine();
        int start = 0;
        while (true) {
            int index = line.substring(start).indexOf(' ');
            if (index == -1) {
                System.out.print(line.substring(start));
                break;
            }
            if (start != 0) {
                System.out.print(line.substring(start, start + 1) + ". ");
            } else {
                System.out.print(line.substring(start, start + index + 1));
            }
            start += index + 1;
        }
    }
}