Initial commit

Author: Dylan-Mutabazi

.github/workflows/main.yml

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+##################################################
+
+
+# Run Mr Coxall's Super Linter against code base #
+
+
+##################################################
+
+
+---
+
+
+name: Mr Coxall's Super Linter
+
+
+
+on: [push, pull_request]
+
+
+
+jobs:
+
+
+ run-linters:
+
+
+   name: Mr Coxall's Super Linter
+
+
+   runs-on: ubuntu-latest
+
+
+
+   steps:
+
+
+     - name: Check out Git repository
+
+
+       uses: actions/checkout@main
+
+
+     - name: Run GitHub Super Linter
+
+
+       uses: github/super-linter@main
+
+
+       env:
+
+
+         VALIDATE_ALL_CODEBASE: true
+
+
+         DISABLE_ERRORS: true
+
+         
+
+         LINTER_RULES_PATH: /
+
+
+         VALIDATE_CLANG_FORMAT: false
+
+
+         VALIDATE_JAVASCRIPT_STANDARD: false
+
+
+         VALIDATE_PYTHON_FLAKE8: false
+
+
+         VALIDATE_GITLEAKS: false # for secrets detection
+
+
+         VALIDATE_JSCPD: false # for copy and paste detection
+
+
+         DEFAULT_BRANCH: main
+
+
+         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 

.gitignore

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+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*

README.md

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+# JAVA-TEMPLATE-
+[![Mr Coxall's Super Linter](README.md/../../../workflows/Mr%20Coxall's%20Super%20Linter/badge.svg)](README.md/../../../actions)

code.java

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+//import Scanner for user input
+import java.util.Scanner;
+
+/**
+* This program calculates the volume of a sphere.
+*
+* @author Dylan Mutabazi
+* @version 1.0
+* @since 2025-September-11
+*/
+
+final class Einstein {
+    /**
+    *@exception IllegalStateException
+    *@see IllegalStateException
+    */
+    private Einstein() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    // Constant for speed of light
+    public static final double SPEEDOFLIGHT = 2.998e8;
+    /**
+    * Entrypoint of the program.
+    * @param args UNUSED.
+    */
+    public static void main(final String[] args) {
+        // Get mass from user.
+        System.out.println("Input your mass (kg): ");
+        Scanner massScanner = new Scanner(System.in);
+        String massString = massScanner.nextLine();
+
+        try {
+            // Converts mass into double.
+            double massDouble = Double.parseDouble(massString);
+            // If mass <= 0 prints error line.
+            if (massDouble <= 0) {
+                System.out.println("Mass cannot be <= 0");
+            } else {
+                // Else calculates energy in joules.
+                double energy = massDouble * Math.pow(SPEEDOFLIGHT, 2);
+                System.out.println("the amount of energy released = "
+                + String.format("%.3e", energy) + " Joules");
+            }
+        } catch (Exception e) {
+            // If conversion to double doesnt work prints error line.
+            System.out.println("Invalid input, try again later.");
+        }
+    }
+}