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base: Cameron:1e439db43d382f37c2112cd681e8dc69f7e89066
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compare: Cameron:190d61afe6625923ecf9810b3f9f814bd8bf5c57
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Cameron:main

3 commits
1e439db43d ... 190d61afe6

Author SHA1 Message Date
Cameron Seamons
190d61afe6 Made a calculator using Switches 2026-01-07 19:53:27 -07:00
Cameron Seamons
9f00555fed Did a few base cases using enhanced switches 2026-01-07 19:31:20 -07:00
Cameron Seamons
5a07de536d Did a few base cases using enhanced switches 2026-01-07 19:31:14 -07:00
5 changed files with 177 additions and 53 deletions
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139
.idea/workspace.xml
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@ -4,20 +4,10 @@
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<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" />
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<change beforePath="$PROJECT_DIR$/out/production/java_practice/Main.class" beforeDir="false" />
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<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" />
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<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
@ -46,6 +36,10 @@
&quot;accountId&quot;: &quot;1865e200-c7ac-4f58-baed-f72f06b5746c&quot;
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<component name="KubernetesApiPersistence"><![CDATA[{}]]></component>
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&quot;keyToString&quot;: {
&quot;Application.Calculator.executor&quot;: &quot;Run&quot;,
&quot;Application.Main.executor&quot;: &quot;Run&quot;,
&quot;Application.TempConverter.executor&quot;: &quot;Run&quot;,
&quot;Application.compountInterest.executor&quot;: &quot;Run&quot;,
&quot;Application.ifStatements.executor&quot;: &quot;Run&quot;,
&quot;Application.madLibs.executor&quot;: &quot;Run&quot;,
&quot;Application.printF.executor&quot;: &quot;Run&quot;,
&quot;Application.randomNums.executor&quot;: &quot;Run&quot;,
&quot;Application.shoppingCart.executor&quot;: &quot;Run&quot;,
&quot;Application.substrings.executor&quot;: &quot;Run&quot;,
&quot;Application.tempConverter.executor&quot;: &quot;Run&quot;,
&quot;Application.trueFalse.executor&quot;: &quot;Run&quot;,
&quot;Application.weightConverter.executor&quot;: &quot;Run&quot;,
&quot;ModuleVcsDetector.initialDetectionPerformed&quot;: &quot;true&quot;,
&quot;RunOnceActivity.MCP Project settings loaded&quot;: &quot;true&quot;,
&quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
&quot;RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252&quot;: &quot;true&quot;,
&quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
&quot;RunOnceActivity.typescript.service.memoryLimit.init&quot;: &quot;true&quot;,
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&quot;junie.onboarding.icon.badge.shown&quot;: &quot;true&quot;,
&quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
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&quot;project.structure.side.proportion&quot;: &quot;0.2&quot;,
&quot;settings.editor.selected.configurable&quot;: &quot;configurable.group.language&quot;,
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<component name="PropertiesComponent"><![CDATA[{
"keyToString": {
"Application.Calculator.executor": "Run",
"Application.EnhancedSwitches.executor": "Run",
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"Application.ifStatements.executor": "Run",
"Application.madLibs.executor": "Run",
"Application.printF.executor": "Run",
"Application.randomNums.executor": "Run",
"Application.shoppingCart.executor": "Run",
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"git-widget-placeholder": "main",
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"kotlin-language-version-configured": "true",
"node.js.detected.package.eslint": "true",
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"nodejs_package_manager_path": "npm",
"project.structure.last.edited": "SDKs",
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@ -125,7 +120,7 @@
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@ -255,12 +250,47 @@
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@ -277,7 +307,10 @@
<MESSAGE value="Refactored classes / File names to use Pascal case" />
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out/production/java_practice/Calculator.class Normal file
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out/production/java_practice/EnhancedSwitches.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();
}
}

32
practice_projects/src/EnhancedSwitches.java Normal file
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@ -0,0 +1,32 @@
import java.util.Scanner;
public class EnhancedSwitches {
public static void main(String[] args){
// Enhanced swich = A replacement to using multiple else if statements
// (Introduced in Java14)
// Lets make a simple day checker that reports if it is a weekend or a weekday
Scanner scanner = new Scanner(System.in);
// Ask user for day of the week
System.out.println("What day is it today?? (Mon, Tue, etc.)?? ");
// normalize the input so we can test it easier
String day = scanner.nextLine().trim().toLowerCase().substring(0, 3);
//
switch(day){
case "mon", "tue", "wed", "thu", "fri" -> System.out.println("It is a weekday 😫");
case "sat", "sun" -> System.out.println("It is a weekend 😁!");
default -> System.out.println("Invalid day");
}
scanner.close();
}
}