PLEASE HELP!!

When answering please follow the format provided :

$)$

$4$

$.$

$5$

$.$

$1$

: Read two positive inputs, the first less than the second.

$-$

$$Complete this program, prompting the user to enter two positive numbers a and b so that a is less than b

$.$

import java.util.Scanner;

public class TwoNumbers

$\{$

$$ public static void main

$($

String

$[$

$]$

$$args

$)$

$$

$\{$

$$ Scanner in

$=$

$$new Scanner

$($

System

$.$

in

$)$

;

$$ int a;

$$ int b;

$$

$/$

$/$

$$HINT: Choose an appropriate loop and a loop condition

$$

$/$

$*$

$$Your code goes here

$*$

$/$

$$

$\{$

$$ System.out.println

$($

$$ "Enter two positive integers, the first smaller than the second."

$)$

;

$$ a

$=$

$$in

$.$

nextInt

$($

$)$

;

$$ System.out.println

$($

$"$

First:

$"$

$+$

$$a

$)$

;

$$ b

$=$

$$in

$.$

nextInt

$($

$)$

;

$$ System.out.println

$($

$"$

Second:

$"$

$+$

$$b

$)$

;

$$

$\}$

$/$

$*$

$$Your code goes here

$*$

$/$

$$

$$

$/$

$/$

$$This line should only be printed when the input is correct

$$ System.out.println

$($

$"$

You entered

$"$

$+$

$$a

$+$

$"$

$$and

$"$

$+$

$$b

$)$

;

$$

$\}$

$\}$

$4$

$.$

$5$

$.$

$2$

: Read numbers until zero or duplicate.

$-$

$$Write a do loop that reads integers and computes their sum. Stop when a zero is read or the when the same value is read twice in a row. For example, if the input is

$1$

$2$

$3$

$4$

$4$

$,$

$$then the sum is

$1$

$4$

$$and the loop stops.

import java.util.Scanner;

public class DoSum

$\{$

$$ public static void main

$($

String

$[$

$]$

$$args

$)$

$$

$\{$

$$ Scanner in

$=$

$$new Scanner

$($

System

$.$

in

$)$

;

$$ int previous;

$$ int sum

$=$

$0$

;

$$ int x

$=$

$0$

;

$$

$$ do

$$

$\{$

$$

$/$

$*$

$$Your code goes here

$*$

$/$

$$

$\}$

$$ while

$($

$/$

$*$

$$Your code goes here

$*$

$/$

$)$

;

$$ System.out.println

$($

$"$

Sum:

$"$

$+$

$$sum

$)$

;

$$

$\}$

$\}$

$4$

$.$

$6$

$.$

$1$

: Reading data with a sentinel

$.$

$-$

$$Complete this program that reads integers and computes their sum. Use

$0$

$$as a sentinel value.

import java.util.Scanner;

public class SumOfInputs

$\{$

$$ public static void main

$($

String

$[$

$]$

$$args

$)$

$$

$\{$

$$ Scanner in

$=$

$$new Scanner

$($

System

$.$

in

$)$

;

$$ int sum

$=$

$0$

;

$$ int input;

$$ System.out.print

$($

$"$

Enter values,

$0$

$$to quit:

$"$

$)$

;

$$

$/$

$*$

$$Your code goes here

$*$

$/$

$$ System.out.println

$($

$"$

Sum:

$"$

$+$

$$sum

$)$

;

$$

$\}$

$\}$

$4$

$.$

$1$

$0$

$.$

$4$

: Remove duplicate words.

$-$

$$It is a common error to accidentally repeat a word. Write a program that reads a sentence, a word at a time, and removes any adjacent duplicates. The sentence ends when you read a word that ends in a period. The sentence will have at least two words.

import java.util.Scanner;

public class RemoveDuplicateWords

$\{$

$$ public static void main

$($

String

$[$

$]$

$$args

$)$

$$

$\{$

$$ Scanner in

$=$

$$new Scanner

$($

System

$.$

in

$)$

;

$$ String word

$=$

$$in

$.$

next

$($

$)$

;

$$ boolean done

$=$

$/$

$*$

$$Your code goes here

$*$

$/$

$$ while

$($

$!$

done

$)$

$$

$\{$

$$ String previous

$=$

$/$

$*$

$$Your code goes here

$*$

$/$

$$ word

$=$

$/$

$*$

$$Your code goes here

$*$

$/$

$$ if

$($

word

$.$

endsWith

$($

$"$

$.$

$"$

$)$

$)$

$$

$\{$

$$ word

$=$

$/$

$*$

$$Your code goes here

$*$

$/$

$$ done

$=$

$/$

$*$

$$Your code goes here

$*$

$/$

$$

$\}$

$$ if

$($

$/$

$*$

$$Your code goes here

$*$

$/$

$)$

$$

$$

$\{$

$$ System.out.print

$($

previous

$+$

$"$

$"$

$)$

;

$$

$\}$

$$

$\}$

$$ System.out.print

$($

word

$+$

$"$

$.$

$"$

$)$

;

$$

$\}$

$\}$

Thank you soo much!!