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Made a calculator using Switches

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Cameron Seamons 2026-01-07 19:53:27 -07:00
parent 9f00555fed
commit 190d61afe6
3 changed files with 145 additions and 53 deletions
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139
.idea/workspace.xml
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@ -4,20 +4,10 @@
<option name="autoReloadType" value="SELECTIVE" /> <option name="autoReloadType" value="SELECTIVE" />
</component> </component>
<component name="ChangeListManager"> <component name="ChangeListManager">
<list default="true" id="8658cbac-7347-4046-83e8-57065c86d2b8" name="Changes" comment="updated junk java files"> <list default="true" id="8658cbac-7347-4046-83e8-57065c86d2b8" name="Changes" comment="Made a calculator using Switches">
<change afterPath="$PROJECT_DIR$/out/production/java_practice/Calculator.class" afterDir="false" />
<change afterPath="$PROJECT_DIR$/practice_projects/src/Calculator.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" /> <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/java_practice.iml" beforeDir="false" afterPath="$PROJECT_DIR$/java_practice.iml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/Main.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/TempConverter.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/compoundInterest.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/ifStatements.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/madLibs.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/printF.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/randomNums.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/shoppingCart.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/substrings.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/trueFalse.class" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/out/production/java_practice/weightConverter.class" beforeDir="false" />
</list> </list>
<option name="SHOW_DIALOG" value="false" /> <option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" /> <option name="HIGHLIGHT_CONFLICTS" value="true" />
@ -46,6 +36,10 @@
&quot;accountId&quot;: &quot;1865e200-c7ac-4f58-baed-f72f06b5746c&quot; &quot;accountId&quot;: &quot;1865e200-c7ac-4f58-baed-f72f06b5746c&quot;
} }
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<component name="KubernetesApiPersistence"><![CDATA[{}]]></component>
<component name="KubernetesApiProvider"><![CDATA[{
"isMigrated": true
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<component name="McpProjectServerCommands"> <component name="McpProjectServerCommands">
<commands /> <commands />
<urls /> <urls />
@ -64,44 +58,45 @@
<option name="hideEmptyMiddlePackages" value="true" /> <option name="hideEmptyMiddlePackages" value="true" />
<option name="showLibraryContents" value="true" /> <option name="showLibraryContents" value="true" />
</component> </component>
<component name="PropertiesComponent">{ <component name="PropertiesComponent"><![CDATA[{
&quot;keyToString&quot;: { "keyToString": {
&quot;Application.Calculator.executor&quot;: &quot;Run&quot;, "Application.Calculator.executor": "Run",
&quot;Application.Main.executor&quot;: &quot;Run&quot;, "Application.EnhancedSwitches.executor": "Run",
&quot;Application.TempConverter.executor&quot;: &quot;Run&quot;, "Application.Main.executor": "Run",
&quot;Application.compountInterest.executor&quot;: &quot;Run&quot;, "Application.TempConverter.executor": "Run",
&quot;Application.ifStatements.executor&quot;: &quot;Run&quot;, "Application.compountInterest.executor": "Run",
&quot;Application.madLibs.executor&quot;: &quot;Run&quot;, "Application.ifStatements.executor": "Run",
&quot;Application.printF.executor&quot;: &quot;Run&quot;, "Application.madLibs.executor": "Run",
&quot;Application.randomNums.executor&quot;: &quot;Run&quot;, "Application.printF.executor": "Run",
&quot;Application.shoppingCart.executor&quot;: &quot;Run&quot;, "Application.randomNums.executor": "Run",
&quot;Application.substrings.executor&quot;: &quot;Run&quot;, "Application.shoppingCart.executor": "Run",
&quot;Application.tempConverter.executor&quot;: &quot;Run&quot;, "Application.substrings.executor": "Run",
&quot;Application.trueFalse.executor&quot;: &quot;Run&quot;, "Application.tempConverter.executor": "Run",
&quot;Application.weightConverter.executor&quot;: &quot;Run&quot;, "Application.trueFalse.executor": "Run",
&quot;ModuleVcsDetector.initialDetectionPerformed&quot;: &quot;true&quot;, "Application.weightConverter.executor": "Run",
&quot;RunOnceActivity.MCP Project settings loaded&quot;: &quot;true&quot;, "ModuleVcsDetector.initialDetectionPerformed": "true",
&quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;, "RunOnceActivity.MCP Project settings loaded": "true",
&quot;RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252&quot;: &quot;true&quot;, "RunOnceActivity.ShowReadmeOnStart": "true",
&quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;, "RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252": "true",
&quot;RunOnceActivity.typescript.service.memoryLimit.init&quot;: &quot;true&quot;, "RunOnceActivity.git.unshallow": "true",
&quot;com.intellij.ml.llm.matterhorn.ej.ui.settings.DefaultModelSelectionForGA.v1&quot;: &quot;true&quot;, "RunOnceActivity.typescript.service.memoryLimit.init": "true",
&quot;git-widget-placeholder&quot;: &quot;main&quot;, "com.intellij.ml.llm.matterhorn.ej.ui.settings.DefaultModelSelectionForGA.v1": "true",
&quot;junie.onboarding.icon.badge.shown&quot;: &quot;true&quot;, "git-widget-placeholder": "main",
&quot;kotlin-language-version-configured&quot;: &quot;true&quot;, "junie.onboarding.icon.badge.shown": "true",
&quot;node.js.detected.package.eslint&quot;: &quot;true&quot;, "kotlin-language-version-configured": "true",
&quot;node.js.detected.package.tslint&quot;: &quot;true&quot;, "node.js.detected.package.eslint": "true",
&quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;, "node.js.detected.package.tslint": "true",
&quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;, "node.js.selected.package.eslint": "(autodetect)",
&quot;nodejs_package_manager_path&quot;: &quot;npm&quot;, "node.js.selected.package.tslint": "(autodetect)",
&quot;project.structure.last.edited&quot;: &quot;SDKs&quot;, "nodejs_package_manager_path": "npm",
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&quot;settings.editor.selected.configurable&quot;: &quot;configurable.group.language&quot;, "project.structure.side.proportion": "0.2",
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&quot;vue.rearranger.settings.migration&quot;: &quot;true&quot; "to.speed.mode.migration.done": "true",
"vue.rearranger.settings.migration": "true"
} }
}</component> }]]></component>
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<key name="MoveClassesOrPackagesDialog.RECENTS_KEY"> <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
<recent name="" /> <recent name="" />
@ -125,7 +120,7 @@
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</task> </task>
<task id="LOCAL-00001" summary="updated module output folders"> <task id="LOCAL-00001" summary="updated module output folders">
<option name="closed" value="true" /> <option name="closed" value="true" />
@ -255,12 +250,47 @@
<option name="project" value="LOCAL" /> <option name="project" value="LOCAL" />
<updated>1767824260007</updated> <updated>1767824260007</updated>
</task> </task>
<option name="localTasksCounter" value="17" /> <task id="LOCAL-00017" summary="updated java version to 17 so I can use switched (Introduced in 14">
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<created>1767838335498</created>
<option name="number" value="00017" />
<option name="presentableId" value="LOCAL-00017" />
<option name="project" value="LOCAL" />
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<task id="LOCAL-00018" summary="Did a few base cases using enhanced switches">
<option name="closed" value="true" />
<created>1767839475258</created>
<option name="number" value="00018" />
<option name="presentableId" value="LOCAL-00018" />
<option name="project" value="LOCAL" />
<updated>1767839475258</updated>
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<option name="closed" value="true" />
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<option name="project" value="LOCAL" />
<updated>1767839480914</updated>
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<component name="Vcs.Log.Tabs.Properties">
<option name="TAB_STATES">
<map>
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<State />
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<component name="VcsManagerConfiguration"> <component name="VcsManagerConfiguration">
<MESSAGE value="updated module output folders" /> <MESSAGE value="updated module output folders" />
<MESSAGE value="moved small projects into one project folder" /> <MESSAGE value="moved small projects into one project folder" />
@ -277,7 +307,10 @@
<MESSAGE value="Refactored classes / File names to use Pascal case" /> <MESSAGE value="Refactored classes / File names to use Pascal case" />
<MESSAGE value="updated junk files" /> <MESSAGE value="updated junk files" />
<MESSAGE value="updated junk java files" /> <MESSAGE value="updated junk java files" />
<option name="LAST_COMMIT_MESSAGE" value="updated junk java files" /> <MESSAGE value="updated java version to 17 so I can use switched (Introduced in 14" />
<MESSAGE value="Did a few base cases using enhanced switches" />
<MESSAGE value="Made a calculator using Switches" />
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out/production/java_practice/Calculator.class Normal file
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59
practice_projects/src/Calculator.java Normal file
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@ -0,0 +1,59 @@
import java.util.Scanner;
public class Calculator {
public static void main(String[] args){
Scanner scanner = new Scanner(System.in);
double result;
// take users first number
System.out.print("Enter the first number: ");
// grab both the number and a COPY of the number for Clean OUTPUT
String num1Input = scanner.nextLine().trim();
double num1 = Double.parseDouble(num1Input);
// Get the operator from the user
System.out.print("Enter the operator (+, -, *, /, ^): ");
char operator = scanner.nextLine().trim().charAt(0);
// take users second number
System.out.print("Enter the second number: ");
// grab both the number and a COPY of the number for Clean OUTPUT
String num2Input = scanner.nextLine().trim();
double num2 = Double.parseDouble(num2Input);
// Switch to process the operator and do the appropriate math
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("Cannot divide by zero!");
return;
}
else {
result = num1 / num2;
}
}
// Error catch if user entered something else
default -> {
System.out.println("Invalid operator!");
scanner.close();
return;
}
}
// Print out the result
// Use the String copies of the numbers to get clean output exactly as user entered them
System.out.printf("%s %c %s = %.2f", num1Input, operator, num2Input, result);
scanner.close();
}
}