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chore: add prints to tour exercises
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‎docs/topics/tour/kotlin-tour-intermediate-classes-interfaces.md

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@@ -397,12 +397,18 @@ fun main() {
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val bedroomThermostat = SmartThermostat("Bedroom Thermostat")
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livingRoomLight.turnOn()
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// Living Room Light is now ON.
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livingRoomLight.adjustBrightness(10)
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// Adjusting Living Room Light brightness to 10%.
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livingRoomLight.turnOff()
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// Living Room Light is now OFF.
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bedroomThermostat.turnOn()
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// Bedroom Thermostat thermostat is now heating.
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bedroomThermostat.adjustTemperature(5)
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// Bedroom Thermostat thermostat set to 5°C.
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bedroomThermostat.turnOff()
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// Bedroom Thermostat thermostat is now off.
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-classes-interfaces-exercise-1"}
@@ -448,12 +454,18 @@ fun main() {
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val bedroomThermostat = SmartThermostat("Bedroom Thermostat")
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livingRoomLight.turnOn()
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// Living Room Light is now ON.
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livingRoomLight.adjustBrightness(10)
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// Adjusting Living Room Light brightness to 10%.
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livingRoomLight.turnOff()
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// Living Room Light is now OFF.
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bedroomThermostat.turnOn()
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// Bedroom Thermostat thermostat is now heating.
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bedroomThermostat.adjustTemperature(5)
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// Bedroom Thermostat thermostat set to 5°C.
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bedroomThermostat.turnOff()
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// Bedroom Thermostat thermostat is now off.
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}
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```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-classes-interfaces-solution-1"}
@@ -485,6 +497,7 @@ class // Write your code here
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fun main() {
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val audio = Audio("Symphony No. 5", "Beethoven")
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audio.play()
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// Playing audio: Symphony No. 5, composed by Beethoven
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-classes-interfaces-exercise-2"}
@@ -505,6 +518,7 @@ class Audio(override val title: String, val composer: String) : Media {
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fun main() {
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val audio = Audio("Symphony No. 5", "Beethoven")
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audio.play()
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// Playing audio: Symphony No. 5, composed by Beethoven
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}
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```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-classes-interfaces-solution-2"}
@@ -542,8 +556,11 @@ fun main() {
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val visa = CreditCard("Visa")
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visa.authorize(100.0)
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// Authorizing payment of $100.0.
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visa.processPayment(100.0)
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// Processing credit card payment of $100.0.
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visa.refund(50.0)
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// Refunding $50.0 to the credit card.
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-classes-interfaces-exercise-3"}
@@ -576,8 +593,11 @@ fun main() {
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val visa = CreditCard("Visa")
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visa.authorize(100.0)
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// Authorizing payment of $100.0.
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visa.processPayment(100.0)
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// Processing credit card payment of $100.0.
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visa.refund(50.0)
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// Refunding $50.0 to the credit card.
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}
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```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-classes-interfaces-solution-3"}
@@ -623,8 +643,12 @@ fun main() {
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val smartMessenger = SmartMessenger(basicMessenger)
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basicMessenger.sendMessage("Hello!")
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// Sending message: Hello!
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println(smartMessenger.receiveMessage())
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// You've got a new message!
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smartMessenger.sendMessage("Hello from SmartMessenger!")
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// Sending a smart message: Hello from SmartMessenger!
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// Sending message: [smart] Hello from SmartMessenger!
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-classes-interfaces-exercise-4"}
@@ -658,8 +682,12 @@ fun main() {
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val smartMessenger = SmartMessenger(basicMessenger)
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basicMessenger.sendMessage("Hello!")
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// Sending message: Hello!
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println(smartMessenger.receiveMessage())
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// You've got a new message!
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smartMessenger.sendMessage("Hello from SmartMessenger!")
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// Sending a smart message: Hello from SmartMessenger!
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// Sending message: [smart] Hello from SmartMessenger!
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}
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```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-classes-interfaces-solution-4"}

‎docs/topics/tour/kotlin-tour-intermediate-lambdas-receiver.md

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@@ -173,6 +173,7 @@ fun fetchData(callback: StringBuilder.() -> Unit) {
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fun main() {
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fetchData {
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// Write your code here
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// Data received - Processed
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}
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}
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```
@@ -189,6 +190,7 @@ fun main() {
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fetchData {
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append(" - Processed")
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println(this.toString())
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// Data received - Processed
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}
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}
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```
@@ -224,6 +226,7 @@ fun main() {
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button.onEvent {
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// Write your code here
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// Double click!
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}
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}
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```
@@ -256,6 +259,7 @@ fun main() {
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button.onEvent {
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if (!isRightClick && amount == 2) {
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println("Double click!")
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// Double click!
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}
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}
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}

‎docs/topics/tour/kotlin-tour-intermediate-objects.md

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@@ -185,20 +185,25 @@ data object OrderOne: Order {
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data object // Write your code here
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fun main() {
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// Print the contents of each data object
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println("Order One Details: $OrderOne")
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println("Order Two Details: $OrderTwo")
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// Print the name of each data object
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println("Order name: $OrderOne")
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// Order name: OrderOne
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println("Order name: $OrderTwo")
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// Order name: OrderTwo
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// Check if the orders are identical
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println("Are the two orders identical? ${OrderOne == OrderTwo}")
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// Are the two orders identical? false
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if (OrderOne == OrderTwo) {
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println("The orders are identical.")
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} else {
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println("The orders are unique.")
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// The orders are unique.
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}
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println("Do the orders have the same customer name? ${OrderOne.customerName == OrderTwo.customerName}")
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// Do the orders have the same customer name? false
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-objects-exercise-1"}
@@ -224,20 +229,25 @@ data object OrderTwo: Order {
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}
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fun main() {
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// Print the contents of each data object
228-
println("Order One Details: $OrderOne")
229-
println("Order Two Details: $OrderTwo")
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// Print the name of each data object
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println("Order name: $OrderOne")
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// Order name: OrderOne
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println("Order name: $OrderTwo")
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// Order name: OrderTwo
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// Check if the orders are identical
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println("Are the two orders identical? ${OrderOne == OrderTwo}")
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// Are the two orders identical? false
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if (OrderOne == OrderTwo) {
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println("The orders are identical.")
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} else {
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println("The orders are unique.")
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// The orders are unique.
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}
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println("Do the orders have the same customer name? ${OrderOne.customerName == OrderTwo.customerName}")
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// Do the orders have the same customer name? false
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}
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```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-objects-solution-1"}
@@ -260,7 +270,9 @@ object // Write your code here
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fun main() {
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println("${FlyingSkateboard.name}: ${FlyingSkateboard.move()}")
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// Flying Skateboard: Glides through the air with a hover engine
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println("${FlyingSkateboard.name}: ${FlyingSkateboard.fly()}")
275+
// Flying Skateboard: Woooooooo
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-objects-exercise-2"}
@@ -281,7 +293,9 @@ object FlyingSkateboard : Vehicle {
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fun main() {
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println("${FlyingSkateboard.name}: ${FlyingSkateboard.move()}")
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// Flying Skateboard: Glides through the air with a hover engine
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println("${FlyingSkateboard.name}: ${FlyingSkateboard.fly()}")
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// Flying Skateboard: Woooooooo
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}
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```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-objects-solution-2"}
@@ -310,6 +324,7 @@ fun main() {
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val fahrenheit = 90.0
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val temp = Temperature.fromFahrenheit(fahrenheit)
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println("${temp.celsius}°C is $fahrenheit °F")
327+
// 32.22222222222222°C is 90.0 °F
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-objects-exercise-3"}
@@ -328,6 +343,7 @@ fun main() {
328343
val fahrenheit = 90.0
329344
val temp = Temperature.fromFahrenheit(fahrenheit)
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println("${temp.celsius}°C is $fahrenheit °F")
346+
// 32.22222222222222°C is 90.0 °F
331347
}
332348
```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-objects-solution-3"}

‎docs/topics/tour/kotlin-tour-intermediate-open-special-classes.md

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@@ -432,9 +432,13 @@ fun main() {
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val status4: DeliveryStatus = DeliveryStatus.Canceled("Address not found")
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printDeliveryStatus(status1)
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// The package is pending pickup from Alice.
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printDeliveryStatus(status2)
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// The package is in transit and expected to arrive by 2024-11-20.
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printDeliveryStatus(status3)
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// The package was delivered to Bob on 2024-11-18.
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printDeliveryStatus(status4)
441+
// The delivery was canceled due to: Address not found.
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}
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```
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{validate="false" kotlin-runnable="true" kotlin-min-compiler-version="1.3" id="kotlin-tour-special-classes-exercise-1"}
@@ -472,9 +476,13 @@ fun main() {
472476
val status4: DeliveryStatus = DeliveryStatus.Canceled("Address not found")
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474478
printDeliveryStatus(status1)
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// The package is pending pickup from Alice.
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printDeliveryStatus(status2)
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// The package is in transit and expected to arrive by 2024-11-20.
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printDeliveryStatus(status3)
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// The package was delivered to Bob on 2024-11-18.
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printDeliveryStatus(status4)
485+
// The delivery was canceled due to: Address not found.
478486
}
479487
```
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{initial-collapse-state="collapsed" collapsible="true" collapsed-title="Example solution" id="kotlin-tour-special-classes-solution-1"}

‎docs/topics/tour/kotlin-tour-intermediate-properties.md

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@@ -424,7 +424,7 @@ updating a UI or to perform additional checks, like verifying the validity of da
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For more information, see [Observable properties](delegated-properties.md#observable-properties).
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## Properties practice
427+
## Practice
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### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="properties-exercise-1"}
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