assignment 4

import java.util.Scanner;
import java.lang.Math;


class main {
public static void main(String[] args)
{
    Scanner Scan = new Scanner(System.in);

    System.out.println("Please enter a tweet:");
    int i = 0;
    int hashtags = 0;
    int at = 0;
    int links = 0;
    String tweet = Scan.nextLine();
    if (tweet.length()<=140){
        System.out.println("Length Correct");
        while (i <= tweet.length()){

            if (tweet.length() > i+1 ){
                if (tweet.charAt(i) == '#' && (tweet.charAt(i+1) != ' ' || tweet.charAt(i+1) != '\t')){
                    hashtags++;
                }
                if (tweet.charAt(i) == '@' && (tweet.charAt(i+1) != ' ' || tweet.charAt(i+1) != '\t')){
                    at++;
                }

            }

            if (tweet.length() > i+7 )
            if (tweet.substring(i, i+7).toUpperCase().equals("HTTP://")){
                links++;

            }

            i++;


        }
    System.out.println("length:" + i + "");
    System.out.println("Number of Hashtags:" + hashtags + "");
    System.out.println("Number of Attributions:" + at + "");
    System.out.println("Number of Links:" + links + "");
    } else {
        System.out.println("Excess Characters: "  + (tweet.length() - 140));
    }



}
}