first java committee

Author: Dhruv-Cmds

JavaBasicPrograms/Calculator/.gitattributes

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+
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Java files
+*.java text

JavaBasicPrograms/Calculator/.gitignore

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+
+# Compiled class files
+*.class
+
+# Logs
+*.log
+
+# OS generated files
+.DS_Store
+Thumbs.db
+
+# IDE files
+.idea/
+.vscode/
+*.iml
+
+# Build directories
+bin/
+out/

JavaBasicPrograms/Calculator/Main.java

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+package Calculator;
+
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        
+        // CALCULATOR
+
+        Scanner scanner = new Scanner(System.in);
+
+        double num1;
+        char operator;
+        double num2;
+        double result = 0;
+        boolean validOperation = true;
+
+        System.out.print("Enter the first number: ");
+        num1 = scanner.nextDouble();
+
+        System.out.print("Enter the operation {+, -, *, /, ^): ");
+        operator = scanner.next().charAt(0);
+
+        System.out.print("Enter the secound number: ");
+        num2 = scanner.nextDouble();
+
+        switch (operator) {
+            case '+' -> result = num1 + num2;                 
+            case '-' -> result = num1 - num2;
+            case '*' -> result = num1 * num2;
+            case '^' -> result = Math.pow(num1, num2);
+            case '/' -> {
+                if(num2 == 0){
+                    System.out.println("Number must be a greater than zero");
+                    validOperation = false;
+                }
+                else{
+                    System.out.println(result = num1 / num2);
+                }
+            }
+            default -> {
+                System.out.println("Invalid operator!");
+                validOperation = false;
+            }
+        }
+        if(validOperation){
+            System.out.println(result);
+        }
+        scanner.close();
+    }
+}

JavaBasicPrograms/Calculator/README.md

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+# Calculator
+
+## Description
+
+A simple Java calculator application that performs basic arithmetic operations such as addition, subtraction, multiplication, and division.
+
+---
+
+## Features
+
+- Console-based Java application
+- Clean and beginner-friendly logic
+- Demonstrates core Java fundamentals
+- Structured using packages
+
+---
+
+## Technologies Used
+
+- Java
+- OOP Concepts
+- Console Input/Output
+
+---
+
+## How to Compile and Run
+
+Make sure you are in the project root directory.
+
+### Compile
+```
+javac Calculator\Main.java
+```
+
+### Run
+```
+java Calculator.Main
+```
+
+---
+
+## Author
+
+Dhruv
+
+---
+
+## Working
+
+javac Calculator\Main.java  
+java Calculator.Main

JavaBasicPrograms/CompoundInterestCalculataor/.gitattributes

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+
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Java files
+*.java text

JavaBasicPrograms/CompoundInterestCalculataor/.gitignore

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+
+# Compiled class files
+*.class
+
+# Logs
+*.log
+
+# OS generated files
+.DS_Store
+Thumbs.db
+
+# IDE files
+.idea/
+.vscode/
+*.iml
+
+# Build directories
+bin/
+out/

JavaBasicPrograms/CompoundInterestCalculataor/Main.java

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+package CompoundInterestCalculataor;
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+
+        // Compound Interest Calculator
+        Scanner scanner = new Scanner(System.in);
+        double principal;
+        double rate;
+        int timeCompound;
+        int years;
+        double amount;
+
+        System.out.print("Enter the principal amount: ");
+        principal = scanner.nextDouble();
+
+        System.out.print("Enter the intrest rate (in %): ");
+        rate = scanner.nextDouble() / 100;
+
+        System.out.print("Enter the number of times compounded per year: ");
+        timeCompound = scanner.nextInt();
+
+        System.out.print("Enter the number of year(s) ");
+        years = scanner.nextInt();
+
+        amount = principal * Math.pow(1 + rate / timeCompound , timeCompound * years);
+        System.out.printf("The amount after %d years is $%.2f" , years , amount);
+
+        scanner.close();
+    }
+
+}

JavaBasicPrograms/CompoundInterestCalculataor/README.md

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+# CompoundInterestCalculataor
+
+## Description
+
+A Java program that calculates compound interest based on principal amount, interest rate, and time period.
+
+---
+
+## Features
+
+- Console-based Java application
+- Clean and beginner-friendly logic
+- Demonstrates core Java fundamentals
+- Structured using packages
+
+---
+
+## Technologies Used
+
+- Java
+- OOP Concepts
+- Console Input/Output
+
+---
+
+## How to Compile and Run
+
+Make sure you are in the project root directory.
+
+### Compile
+```
+javac CompoundInterestCalculataor\Main.java
+```
+
+### Run
+```
+java CompoundInterestCalculataor.Main
+```
+
+---
+
+## Author
+
+Dhruv
+
+---
+
+## Working
+
+javac CompoundInterestCalculataor\Main.java  
+java CompoundInterestCalculataor.Main

JavaBasicPrograms/InovoiceWithDiscountPlusTax/.gitattributes

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+
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Java files
+*.java text

JavaBasicPrograms/InovoiceWithDiscountPlusTax/.gitignore

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+
+# Compiled class files
+*.class
+
+# Logs
+*.log
+
+# OS generated files
+.DS_Store
+Thumbs.db
+
+# IDE files
+.idea/
+.vscode/
+*.iml
+
+# Build directories
+bin/
+out/