Add files for Kotlin. Both are working successfully.

.gitignore

@@ -0,0 +1 @@
+*.jar

README.md

@@ -14,10 +14,10 @@ Project only takes into consideration the USA's cent system.
 Completed:
 
 - PHP
+- Kotlin
 
 Planned:
 
-- Kotlin
 - Bash
 - Python
 - Node.js

kotlin_compiled.sh

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+#!/usr/bin/env bash
+# 2024-03-30 Hyperling
+# Compile the .kt file and run the compiled binary.
+
+# Move to the file location.
+DIR="$(dirname -- "${BASH_SOURCE[0]}")"
+cd $DIR
+
+# Compile the script.
+kotlinc spare_change.kt -include-runtime -d spare_change.kt.jar
+
+# Run the executable.
+chmod 755 ./spare_change.kt.jar
+java -jar spare_change.kt.jar
+rm -rfv ./spare_change.kt.jar

kotlin_scripted.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# 2024-03-30 Hyperling
+# Run the program as a shell language.
+
+# Move to the file location.
+DIR="$(dirname -- "${BASH_SOURCE[0]}")"
+cd $DIR
+
+# Run the program.
+kotlinc -script ./spare_change.kts

spare_change.kt

@@ -0,0 +1,54 @@
+/*
+// 2024-03-30 Hyperling
+// Creating a Kotlin version which needs compiled then run.
+*/
+
+fun main() {
+	var pennies:  Int
+	var nickels:  Int
+	var dimes:    Int
+	var quarters: Int
+	var maxPennies:  Int = 0
+	var maxNickels:  Int = 0
+	var maxDimes:    Int = 0
+	var maxQuarters: Int = 0
+
+	println("Got any spare change?")
+
+	for (change in 1..99) {
+		quarters = change / 25
+		var remainder = change % 25
+
+		dimes = remainder / 10
+		remainder = remainder % 10
+
+		nickels = remainder / 5
+		remainder = remainder % 5
+
+		pennies = remainder / 1
+
+		if (quarters > maxQuarters) {
+			maxQuarters = quarters
+			println("Change ${change}c required $maxQuarters quarter(s).")
+		}
+
+		if (dimes > maxDimes) {
+			maxDimes = dimes
+			println("Change ${change}c required $maxDimes dime(s).")
+		}
+
+		if (nickels > maxNickels) {
+			maxNickels = nickels
+			println("Change ${change}c required $maxNickels nickel(s).")
+		}
+
+		if (pennies > maxPennies) {
+			maxPennies = pennies
+			println("Change ${change}c required $maxPennies penny(ies).")
+		}
+	}
+
+	print("The optimum amount is $maxQuarters quarter(s), $maxDimes dime(s)")
+	println(", $maxNickels nickel(s), and $maxPennies pennies.")
+
+}

spare_change.kts

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+/*
+// 2024-03-30 Hyperling
+// Creating a Kotlin version which can be run via command line.
+*/
+
+var pennies = 0
+var nickels = 0
+var dimes = 0
+var quarters = 0
+var maxPennies = 0
+var maxNickels = 0
+var maxDimes = 0
+var maxQuarters = 0
+
+println("Got any spare change?")
+
+for (change in 1..99) {
+	quarters = change / 25
+	var remainder = change % 25
+
+	dimes = remainder / 10
+	remainder = remainder % 10
+
+	nickels = remainder / 5
+	remainder = remainder % 5
+
+	pennies = remainder / 1
+
+	if (quarters > maxQuarters) {
+		maxQuarters = quarters
+		println("Change ${change}c required $maxQuarters quarter(s).")
+	}
+
+	if (dimes > maxDimes) {
+		maxDimes = dimes
+		println("Change ${change}c required $maxDimes dime(s).")
+	}
+
+	if (nickels > maxNickels) {
+		maxNickels = nickels
+		println("Change ${change}c required $maxNickels nickel(s).")
+	}
+
+	if (pennies > maxPennies) {
+		maxPennies = pennies
+		println("Change ${change}c required $maxPennies penny(ies).")
+	}
+}
+
+print("The optimum amount is $maxQuarters quarter(s), $maxDimes dime(s)")
+println(", $maxNickels nickel(s), and $maxPennies pennies.")