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Commit b854b3b

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Merge pull request #4 from Mmabiaa/updates
Updates
2 parents 43d6a34 + d1ff09d commit b854b3b

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9 files changed

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.mycompany</groupId>
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<artifactId>Calculator_Program</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.release>23</maven.compiler.release>
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<exec.mainClass>com.mycompany.calculator_program.Calculator_Program</exec.mainClass>
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</properties>
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</project>
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/*
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* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
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*/
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package com.mycompany.calculator_program;
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import java.util.Scanner;// A library that permits user input in java.
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public class calculator_Program {// A simple calculator program.
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//The Addition method
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public int Add(int a , int b){
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System.out.println("\n \tAddition..."); return a + b;
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}
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//The subtraction method.
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public int Sub(){
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System.out.println("\n \tSubtraction...");
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System.out.println("Enter your first number: ");
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int a = scanner.nextInt();
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System.out.println("Enter your second number: ");
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int b = scanner.nextInt();
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System.out.println("Answer = " + (a - b));
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return a - b;
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}
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// The multiplication method.
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public int Mul(){
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System.out.println("\n \tMultiplication...");
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System.out.println("Enter your first number: ");
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int a = scanner.nextInt();
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System.out.println("Enter your second number: ");
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int b = scanner.nextInt();
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System.out.println("Answer = " + (a * b));
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return a * b;
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}
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//The division method.
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public void Div(){
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System.out.println("\n \tDivision...");
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System.out.println("Enter your first number: ");
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int a = scanner.nextInt();
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System.out.println("Enter your second number: ");
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int b = scanner.nextInt();
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if (b==0){
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String zero ="Division by zero is invalid";
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System.err.println(zero);
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}
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else{
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System.out.println("Answer = " + (a / b));
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}
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}
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//A method for exit.
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public void exit(){
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System.out.println("Exiting...");
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}
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int option;
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//Main Method.
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public void main(String [] args){
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option = scanner.nextInt();
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int c;
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do{
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Menu(option);//calling the menu method using the args option.
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switch (option) {
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case 1:
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Add();
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break;
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case 2:
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Sub();
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break;
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case 3:
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Mul();
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break;
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case 4:
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Div();
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break;
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case 5:
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exit();
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break;
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default:
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System.out.println("Unknown option");
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break;
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}
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System.out.println("Do you want to continue? \n (1. Yes 2. No)");
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c = scanner.nextInt();
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if (c== 2){exit();}
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else{
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System.out.println("\n\n\n");
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}
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}while(c == 1);
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}
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}
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package com.mycompany.calculator_program;
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public class Main {
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User_Utils user = new User_Utils();
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public void main(String[] args){
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user.display_Menu();
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user.accept_menu_option();
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}
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}
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package com.mycompany.calculator_program;
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import java.util.Scanner;
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public class User_Utils {
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Scanner scanner = new Scanner(System.in);
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Calculations calculate = new Calculations();
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public double[] Accept_Values(){
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System.err.println("Enter First Number: ");
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double x = scanner.nextInt();
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scanner.nextLine();
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System.err.println("Enter Second Number: ");
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double y = scanner.nextInt();
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return new double[] {x, y};
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}
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public void display_Menu(){
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System.out.println("---Welcome to the Calculator System---");
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System.out.println("--Menu--");
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System.out.println("1. Addition \n2. Subtraction \n3. Multiplication \n4. Division \n5. Exit");
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}
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public void accept_menu_option(){
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System.out.println("Enter a menu option(1-5): ");
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int menu_option = scanner.nextInt();
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scanner.nextLine();
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validate_menu_option(menu_option);
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}
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public void validate_menu_option(int menu_option){
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if (menu_option <= 5 && menu_option >=1){
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double values[] = Accept_Values();
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double x = values[0];
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double y = values[1];
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switch (menu_option) {
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case 1:
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double add = calculate.Addition(x, y);
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System.out.println("Answer = " + add);
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break;
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case 2:
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double sub = calculate.Subtraction(x, y);
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System.out.println("Answer = " + sub);
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break;
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case 3:
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double mul = calculate.Multiplication(x, y);
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System.out.println("Answer = " + mul);
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break;
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case 4:
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double div = calculate.Division(x, y);
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System.out.println("Answer = " + div);
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break;
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default:
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System.out.println("Thanks for using the program.");
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break;
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}
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}else{
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System.out.println("Invalid input...try again");
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}
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}
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}
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‎Java_Beginner_Projects/Calculator_Program/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst‎

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C:\Users\dell\OneDrive\Documents\NetBeansProjects\Calculator_Program\src\main\java\com\mycompany\calculator_program\Calculations.java
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C:\Users\dell\OneDrive\Documents\NetBeansProjects\Calculator_Program\src\main\java\com\mycompany\calculator_program\Main.java
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C:\Users\dell\OneDrive\Documents\NetBeansProjects\Calculator_Program\src\main\java\com\mycompany\calculator_program\User_Utils.java

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