mEmE TYpIng.

/**
 * This is most definitely the best program I've ever made!
 */
import java.util.*;
public class TyPiNg
{
    static String convert(String in)
    {
        Random r1 = new Random(); //Creating an object of the Random class.
        char[] a = in.toCharArray();
        int upct = 0; //Variable to check for uppercase repetition.
        int lowct = 0; //Variable to check for lowercase repetition.
        a[0] = Character.toLowerCase(a[0]); //The first character must always be lowercase.
        a[1] = Character.toUpperCase(a[1]); //The second character must always be uppercase.
        //Modifying the rest of the sentence.
        int i;
        for(i=2;i<a.length;i++) //The first two characters have been modified already.
        {
            int num = r1.nextInt(2); //Getting either 0 or 1.
            if(num == 0)
            {
                a[i] = Character.toUpperCase(a[i]);
                upct++;
                if(upct == 2) //Checking if more than 2 uppercase characters occur together.
                {
                    a[i] = Character.toLowerCase(a[i]);
                    upct = 0;
                }
            }
            else
            {
                a[i] = Character.toLowerCase(a[i]);
                lowct++;
                if(lowct == 2) //Checking if more than 2 lowercase characters occur together.
                {
                    a[i] = Character.toUpperCase(a[i]);
                    lowct = 0;
                }
            }
        }
        //Joining the characters to form a string.
        String b = "";
        for(i=0;i<a.length;i++)
            b += a[i];

        return b;
    }

    public static void main(String[] args)
    {
        //Getting the user's input.
        Scanner sc = new Scanner(System.in);
        System.out.println("Please enter a word or a sentence.");
        String a = sc.nextLine();
        //Modifying the sentence and displaying it.
        String res = convert(a);
        System.out.println("Modified: ");
        System.out.println(res);

        sc.close();
    }
}