Code for question 45:

package com.company;
/*
   Arush Adabala
   1/15/2019
   Reads and states sentence types
 */
import java.util.*;
import java.lang.*;

public class SentenceType {
    public static void main(String[] args)
    {
        Scanner input = new Scanner(System.in);
        System.out.println("Please type a sentence below:");
        String sentence = input.nextLine();

        char sentenceEnder = sentence.charAt(sentence.length()-1);

        switch(sentenceEnder)
        {
            case '.': System.out.print("The sentence is declarative");
                break;
            case '?': System.out.print("The sentence is interrogative");
                break;
            case '!': System.out.print("The sentence is exclamatory");
                break;
            default:
                System.out.println("Unrecognized Option");

        }
    }
}

Code for question 47:

package com.company;
/*
   Arush Adabala
   1/14/2019
   DiceGame
 */
import java.util.*;
import java.lang.*;

public class PasswordReader {
    public static void main(String[] args)
    {
        Scanner input = new Scanner(System.in);
        System.out.println("Please type in your password:");
        String password = input.nextLine();
        System.out.println("Please retype your password:");
        String confirmation = input.nextLine();

        if(confirmation.equals(password)){
            System.out.print("You are now registered as a new user");
        }
        else{
            System.out.print("Sorry, there is a typo in your password");
        }
    }
}