updated junk files

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/java_practice.iml" filepath="$PROJECT_DIR$/java_practice.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/workspace.xml

@@ -0,0 +1,238 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="8658cbac-7347-4046-83e8-57065c86d2b8" name="Changes" comment="Refactored classes / File names to use Pascal case">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Class" />
+      </list>
+    </option>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="McpProjectServerCommands">
+    <commands />
+    <urls />
+  </component>
+  <component name="ProblemsViewState">
+    <option name="selectedTabId" value="CurrentFile" />
+  </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 8
+}</component>
+  <component name="ProjectId" id="37o6U1jLh6B9fGeTwrV9eeSfs6j" />
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "Application.Calculator.executor": "Run",
+    "Application.Main.executor": "Run",
+    "Application.TempConverter.executor": "Run",
+    "Application.compountInterest.executor": "Run",
+    "Application.ifStatements.executor": "Run",
+    "Application.madLibs.executor": "Run",
+    "Application.printF.executor": "Run",
+    "Application.randomNums.executor": "Run",
+    "Application.shoppingCart.executor": "Run",
+    "Application.substrings.executor": "Run",
+    "Application.tempConverter.executor": "Run",
+    "Application.trueFalse.executor": "Run",
+    "Application.weightConverter.executor": "Run",
+    "ModuleVcsDetector.initialDetectionPerformed": "true",
+    "RunOnceActivity.MCP Project settings loaded": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252": "true",
+    "RunOnceActivity.git.unshallow": "true",
+    "RunOnceActivity.typescript.service.memoryLimit.init": "true",
+    "com.intellij.ml.llm.matterhorn.ej.ui.settings.DefaultModelSelectionForGA.v1": "true",
+    "git-widget-placeholder": "main",
+    "junie.onboarding.icon.badge.shown": "true",
+    "kotlin-language-version-configured": "true",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "project.structure.last.edited": "Modules",
+    "project.structure.proportion": "0.15",
+    "project.structure.side.proportion": "0.2",
+    "settings.editor.selected.configurable": "reference.settingsdialog.IDE.editor.colors.Console Colors",
+    "to.speed.mode.migration.done": "true",
+    "vue.rearranger.settings.migration": "true"
+  }
+}]]></component>
+  <component name="RecentsManager">
+    <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
+      <recent name="" />
+    </key>
+  </component>
+  <component name="SharedIndexes">
+    <attachedChunks>
+      <set>
+        <option value="bundled-jdk-30f59d01ecdd-26cb7f24e5b0-intellij.indexing.shared.core-IU-253.29346.138" />
+        <option value="bundled-js-predefined-d6986cc7102b-9b0f141eb926-JavaScript-IU-253.29346.138" />
+      </set>
+    </attachedChunks>
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="8658cbac-7347-4046-83e8-57065c86d2b8" name="Changes" comment="" />
+      <created>1767557089317</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1767557089317</updated>
+      <workItem from="1767557093354" duration="14440000" />
+      <workItem from="1767678323979" duration="14235000" />
+    </task>
+    <task id="LOCAL-00001" summary="updated module output folders">
+      <option name="closed" value="true" />
+      <created>1767565219423</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1767565219423</updated>
+    </task>
+    <task id="LOCAL-00002" summary="moved small projects into one project folder">
+      <option name="closed" value="true" />
+      <created>1767578203605</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1767578203605</updated>
+    </task>
+    <task id="LOCAL-00003" summary="Created random number / coin flip generator with error catching">
+      <option name="closed" value="true" />
+      <created>1767588535662</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1767588535662</updated>
+    </task>
+    <task id="LOCAL-00004" summary="explore printf variations">
+      <option name="closed" value="true" />
+      <created>1767666830045</created>
+      <option name="number" value="00004" />
+      <option name="presentableId" value="LOCAL-00004" />
+      <option name="project" value="LOCAL" />
+      <updated>1767666830045</updated>
+    </task>
+    <task id="LOCAL-00005" summary="created compound calculator">
+      <option name="closed" value="true" />
+      <created>1767672756444</created>
+      <option name="number" value="00005" />
+      <option name="presentableId" value="LOCAL-00005" />
+      <option name="project" value="LOCAL" />
+      <updated>1767672756444</updated>
+    </task>
+    <task id="LOCAL-00006" summary="fixed name of compoundInterest">
+      <option name="closed" value="true" />
+      <created>1767678458164</created>
+      <option name="number" value="00006" />
+      <option name="presentableId" value="LOCAL-00006" />
+      <option name="project" value="LOCAL" />
+      <updated>1767678458165</updated>
+    </task>
+    <task id="LOCAL-00007" summary="explored substring methods">
+      <option name="closed" value="true" />
+      <created>1767812256757</created>
+      <option name="number" value="00007" />
+      <option name="presentableId" value="LOCAL-00007" />
+      <option name="project" value="LOCAL" />
+      <updated>1767812256757</updated>
+    </task>
+    <task id="LOCAL-00008" summary="made a lbs to kgs weight converter">
+      <option name="closed" value="true" />
+      <created>1767813520591</created>
+      <option name="number" value="00008" />
+      <option name="presentableId" value="LOCAL-00008" />
+      <option name="project" value="LOCAL" />
+      <updated>1767813520591</updated>
+    </task>
+    <task id="LOCAL-00009" summary="uploaded junk files">
+      <option name="closed" value="true" />
+      <created>1767813537078</created>
+      <option name="number" value="00009" />
+      <option name="presentableId" value="LOCAL-00009" />
+      <option name="project" value="LOCAL" />
+      <updated>1767813537078</updated>
+    </task>
+    <task id="LOCAL-00010" summary="explored ternary operator">
+      <option name="closed" value="true" />
+      <created>1767818577359</created>
+      <option name="number" value="00010" />
+      <option name="presentableId" value="LOCAL-00010" />
+      <option name="project" value="LOCAL" />
+      <updated>1767818577359</updated>
+    </task>
+    <task id="LOCAL-00011" summary="uploaded junk files">
+      <option name="closed" value="true" />
+      <created>1767818585588</created>
+      <option name="number" value="00011" />
+      <option name="presentableId" value="LOCAL-00011" />
+      <option name="project" value="LOCAL" />
+      <updated>1767818585588</updated>
+    </task>
+    <task id="LOCAL-00012" summary="uploaded junk class files">
+      <option name="closed" value="true" />
+      <created>1767818594413</created>
+      <option name="number" value="00012" />
+      <option name="presentableId" value="LOCAL-00012" />
+      <option name="project" value="LOCAL" />
+      <updated>1767818594413</updated>
+    </task>
+    <task id="LOCAL-00013" summary="Crated a temperature converter">
+      <option name="closed" value="true" />
+      <created>1767821485207</created>
+      <option name="number" value="00013" />
+      <option name="presentableId" value="LOCAL-00013" />
+      <option name="project" value="LOCAL" />
+      <updated>1767821485207</updated>
+    </task>
+    <task id="LOCAL-00014" summary="Refactored classes / File names to use Pascal case">
+      <option name="closed" value="true" />
+      <created>1767821506803</created>
+      <option name="number" value="00014" />
+      <option name="presentableId" value="LOCAL-00014" />
+      <option name="project" value="LOCAL" />
+      <updated>1767821506803</updated>
+    </task>
+    <option name="localTasksCounter" value="15" />
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="updated module output folders" />
+    <MESSAGE value="moved small projects into one project folder" />
+    <MESSAGE value="Created random number / coin flip generator with error catching" />
+    <MESSAGE value="explore printf variations" />
+    <MESSAGE value="created compound calculator" />
+    <MESSAGE value="fixed name of compoundInterest" />
+    <MESSAGE value="explored substring methods" />
+    <MESSAGE value="made a lbs to kgs weight converter" />
+    <MESSAGE value="explored ternary operator" />
+    <MESSAGE value="uploaded junk files" />
+    <MESSAGE value="uploaded junk class files" />
+    <MESSAGE value="Crated a temperature converter" />
+    <MESSAGE value="Refactored classes / File names to use Pascal case" />
+    <option name="LAST_COMMIT_MESSAGE" value="Refactored classes / File names to use Pascal case" />
+  </component>
+</project>

java_practice.iml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <output url="file://$MODULE_DIR$/out/production/java_practice" />
+    <output-test url="file://$MODULE_DIR$/out/test/java_practice" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/calculator/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/madLibs/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/practice_projects/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="jbr_dcevm-11" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

practice_projects/src/CompoundInterest.java

@@ -1,6 +1,6 @@
 import java.util.Scanner;
 
-public class compoundInterest {
+public class CompoundInterest {
 
     public static void main(String[] args) {
 

practice_projects/src/IfStatements.java

@@ -1,6 +1,6 @@
 import java.util.Scanner;
 
-public class ifStatements {
+public class IfStatements {
     public static void main(String[] args) {
 
         Scanner scanner = new Scanner(System.in);

practice_projects/src/MadLibs.java

@@ -1,6 +1,6 @@
 import java.util.Scanner;
 
-public class madLibs {
+public class MadLibs {
 
     public static void main(String[] args){
 

practice_projects/src/PrintF.java

@@ -1,4 +1,4 @@
-public class printF {
+public class PrintF {
 
     public static void main(String[] args){
         String name = "Spongebob";

practice_projects/src/RandomNums.java

@@ -1,7 +1,7 @@
 import java.util.Random;
 import java.util.Scanner;
 
-public class randomNums {
+public class RandomNums {
     public static void main(String[] args) {
 
         Random random = new Random();

practice_projects/src/ShoppingCart.java

@@ -1,6 +1,6 @@
 import java.util.Scanner;
 
-public class shoppingCart {
+public class ShoppingCart {
 
     public static void main(String[] args){
 

practice_projects/src/TempConverter.java

@@ -0,0 +1,74 @@
+import java.util.Scanner;
+
+ public class TempConverter {
+
+     // Define methods to convert each temperature
+
+     // Celsius to Fahrenheit
+     static double celToFar(double c) { return (c * 9.0 / 5.0) + 32; }
+
+     // Fahrenheit to Celsius
+     static double farToCel(double f) { return (f - 32) * 5.0 / 9.0; }
+
+     public static void main(String[] args){
+
+         //  Initialize scanner to take input
+         Scanner scanner = new Scanner(System.in);
+
+         // Styled header just to make things pretty
+         System.out.println("=== Welcome to the Temperature Converter ===");
+
+
+         // Create a loop so we can build in error checking
+         while(true) {
+             // Ask user which option they want to convert
+             System.out.print("Which do you want to convert? (C) or (F): ");
+
+             // trim and convert to lower to make sure grab answer whether capitalized or not
+             String choice = scanner.nextLine().trim().toLowerCase();
+
+             if(!choice.equals("c") && !choice.equals("f") ){
+                 System.out.println("Invalid Choice. Please enter C or F.");
+                 continue;
+             }
+             // Check which option the user entered
+             boolean isCelsius = choice.equals("c");
+             String fromUnit = isCelsius ? "C" : "F";
+             String toUnit = isCelsius ? "F" : "C";
+
+             // Ask for a temperature to convert
+             System.out.printf("Enter a temperature in %s: ", fromUnit);
+
+             double temperature;
+
+             // make sure a valid number is input
+             try {
+                 temperature = Double.parseDouble(scanner.nextLine());
+             }
+             catch  (NumberFormatException e) {
+                 System.out.println("Invalid Temperature. Please enter a number");
+                 continue;
+             }
+
+             // use ternary to convert temperature ine one line
+             double newTemp = isCelsius ? celToFar(temperature) : farToCel(temperature);
+
+             // Print out the resulting converted temperature
+             System.out.printf("%.1f°%s is %.1f°%s\n", temperature, fromUnit, newTemp, toUnit);
+
+             // Check if user wants to convert another
+             System.out.print("Convert another? (y/n): ");
+
+             // Treat anything other than a "y" as a No.
+             if(!scanner.nextLine().trim().equalsIgnoreCase("y")){
+                 System.out.println("\n--- Thanks for using the Temperature Converter!! ---");
+                 break;
+             }
+
+         }
+
+         // Close scanner so we dont leave resources open
+        scanner.close();
+
+     }
+}

practice_projects/src/TrueFalse.java

@@ -0,0 +1,62 @@
+import java.util.Scanner;
+
+public class TrueFalse {
+
+    public static void main(String[] args) {
+
+        Scanner scanner = new Scanner(System.in);
+
+        // ternary operator ! = Return 1 of 2 values if a condition is true
+
+        // variable =(condition) ? ifTrue : ifFalse;
+
+        // ---------------
+        // Lets create a grade checker using old methods
+
+        /*
+        // declare variables
+
+        // Get grade from student
+        System.out.println("Enter your grade: ");
+        int grade = Integer.parseInt(scanner.nextLine());
+
+        // Check if grade is passing or not
+        if(grade >= 60) {
+            System.out.println("PASS");
+        }
+        else {
+            System.out.println("FAIL");
+        }
+        */
+
+        // ---------------
+
+
+        // ---------------
+        // Lets use ternary method to do the same thing in half the lines of code
+
+
+        // Get grade from student
+        System.out.println("Enter your grade: ");
+        int grade = Integer.parseInt(scanner.nextLine());
+
+        String passOrFail = (grade >= 60) ? "PASS" : "FAIL";
+
+        System.out.println(passOrFail);
+
+
+
+        // ---------------
+
+        // Lets use ternary to check if a number is even or odd
+        System.out.println("Enter a number: ");
+        int number = Integer.parseInt(scanner.nextLine());
+
+        String evenOrOdd = (number % 2 == 0) ? "EVEN" : "ODD";
+
+        System.out.println(evenOrOdd);
+
+
+        scanner.close();
+    }
+}

practice_projects/src/WeightConverter.java

@@ -0,0 +1,59 @@
+import java.util.Scanner;
+
+public class WeightConverter {
+
+    public static void main(String[] args) {
+
+        // Weight conversion program
+        Scanner scanner = new Scanner(System.in);
+
+        // Declare variables
+        String choice;
+        int weight;
+        double converted;
+
+        // Welcome message
+        System.out.println("Welcome to the weight converter!\n");
+
+        // Prompt for user choice
+        System.out.println("Choose: ");
+        System.out.println("Option 1 Lbs -> Kgs (1)");
+        System.out.println("Option 2 Kgs -> Lbs (2)\n");
+
+        choice = scanner.nextLine();
+
+        // option 1 convert lbs tp kgs
+        if (choice.equals("1")){
+
+            // get the weight input from user
+            System.out.println("Enter the weight in lbs: ");
+            weight = Integer.parseInt(scanner.nextLine());
+
+            // convert the weight and print out the result
+            converted = (weight * 1.0 / 2.205);
+            System.out.printf("%d lbs is %.2f kgs.", weight, converted);
+
+
+
+        } // option 2 convert kgs to lbs
+        else if(choice.equals("2")){
+
+            // get the weight input from user
+            System.out.println("Enter the weight in kgs: ");
+            weight = Integer.parseInt(scanner.nextLine());
+
+            // convert the weight and print out the result
+            converted = (weight * 1.0 *  2.205);
+            System.out.printf("%d kgs is %.2f lbs.", weight, converted);
+
+
+        } //else print not a valid choice
+        else {
+            System.out.println("Not a valid choice. Try again");
+        }
+
+        scanner.close();
+
+
+    }
+}

practice_projects/src/substrings.java

@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class substrings {
+
+    public static void main(String[] args){
+
+        Scanner scanner = new Scanner(System.in);
+
+
+        // .substring() is a method used to extract a portion of a string.
+        // You use it by giving a start and end position.
+        // Example: string.substring(start, end)
+
+        while (true) {
+            // Have user enter their email
+            System.out.print("Enter an email: ");
+            String email = scanner.nextLine();
+
+            // Check if its a valid email (Contains @ symbol)
+            if(email.contains("@")){
+                // find the index position of the @ symbol
+                int index = email.indexOf("@");
+
+                // find the domain address of their email
+                String domain = email.substring(index + 1);
+
+                String username = email.substring(0, index);
+
+                System.out.println("Your username is " + username);
+                System.out.println("Your email domain is " + domain);
+                break;
+
+            } else {
+                System.out.println("Please enter a valid email address!\n");
+                continue;
+            }
+        }
+
+        scanner.close();
+
+    }
+}