Simple Arithmetic Program
Using the instructions from Week 1 Lab, create a new folder named Project01. In this folder create a new class named Project01. This class must be in the default package. Make sure that in the comments at the top of the Java program you put your name and today's date using the format for Java comments given in the Week 1 Lab.
For this lab, you will write a Java program to prompt the user to enter two integers. Your program will display a series of arithmetic operations using those two integers. Create a new Java program named Project01.java for this problem.
Sample Output: This is a sample transcript of what your program should do. Items in bold are user input and should not be put on the screen by your program. Make sure your output looks EXACTLY like the output below, including spacing. Items in bold are elements input by the user, not hard-coded into the program.
Enter the first number: 12
Enter the second number: 3
12 + 3 = 15
12 - 3 = 9
12 * 3 = 36
12 / 3 = 4
12 % 3 = 0
The average of your two numbers is: 7
A second run of your program with different inputs might look like this:
Enter the first number: -4
Enter the second number: 3
-4 + 3 = -1
-4 - 3 = -7
-4 * 3 = -12
-4 / 3 = -1
-4 % 3 = -1
The average of your two numbers is: 0
HINT: You can start by retyping the code that was given to you in Exercise 3 of ClosedLab01. That code takes in a single number and performs a few arithmetic operations on it. How can you modify that code to take in two numbers? How can you modify it to display "number * number =" instead of "Your number squared is: "? Take it step by step and change one thing at a time.
You can use the following as a template to get you started. Note that you must create your class in the default package and your project must be named Project01.java for the autograder to be able to test it when you submit it.

Answer:

Written in Java

import java.util.*;

public class Project01{

public static void main(String[] args) {

 Scanner input = new Scanner(System.in);

 int num1,num2;

 System.out.print("Enter first number: ");

 num1 = input.nextInt();

 System.out.print("Enter second number: ");

 num2 = input.nextInt();

 System.out.println(num1+" + "+num2+" = "+(num1 + num2));

 System.out.println(num1+" - "+num2+" = "+(num1 - num2));

 System.out.println(num1+" * "+num2+" = "+(num1 * num2));

 System.out.println(num1+" / "+num2+" = "+(num1 / num2));  

 System.out.print("The average of your two numbers is: "+(num1 + num2)/2);

}

}

Explanation:

import java.util.*;

public class Project01 {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

This line declares myfirstnum and mysecnum as integer

 int myfirstnum,mysecnum;

This line prompts user for first number

 System.out.print("Enter first number: ");

This line gets user input

myfirstnum= input.nextInt();

This line prompts user for second number

 System.out.print("Enter second number: ");

This line gets user input

 mysecnum = input.nextInt();

This line calculates and prints addition operation

 System.out.println(myfirstnum+" + "+mysecnum+" = "+(myfirstnum + mysecnum));

This line calculates and prints subtraction operation

 System.out.println(myfirstnum+" - "+mysecnum+" = "+(myfirstnum - mysecnum));

This line calculates and prints multiplication operation

 System.out.println(myfirstnum+" * "+mysecnum+" = "+(myfirstnum * mysecnum));

This line calculates and prints division operation

 System.out.println(myfirstnum+" / "+mysecnum+" = "+(myfirstnum / mysecnum));  

This line calculates and prints the average of the two numbers

 System.out.print("The average of your two numbers is: "+(myfirstnum + mysecnum)/2);

}

}

4.5 code practice edhesive

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message


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0.6($1,200)
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needs to be in Java

A programmer has written a method called replaceLetter that counts the amount of times a letter is present in a word. Your job is to modify this existing method to fulfill a new purpose.

Rather than count the instances of a letter in a String, write a program that replaces all instance of one letter with another. You should directly modify replaceLetter to get this program to work. In the starter code, replaceLetter only has two parameter values. Your new version should have a third parameter to indicate which String value is replacing the existing letter.

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Enter your word:
hello

Enter the letter you want to replace:
l

Enter the replacing letter:
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hexxo
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2. This refers to the hazard control which involves the measure of replacing one hazardous
agent or work process with less dangerous one.
3. A very important method of controlling hazards which involves proper washing of your hair,
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4. This refers to the preparedness for the first and immediate response in case of any type of
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7. A cross-disciplinary area concerned with protecting the safety, health and welfare of people
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8. The term used in hazard control which involves changing a piece of machinery or work
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