HelloWorld, StringTemplates, Variables

.gitignore

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+out
+.idea

io/kotlinstudy/tour/HelloWorld.kt

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+package io.kotlinstudy.tour
+
+fun main() {
+    println("Hello, Kotlin")
+}

io/kotlinstudy/tour/StringTemplates.kt

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+package io.kotlinstudy.tour
+
+fun main() {
+    val customers = 10
+
+    println("There are $customers customers")
+
+    println("There are ${customers + 1} customers")
+}

io/kotlinstudy/tour/Variables.kt

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+package io.kotlinstudy.tour
+
+fun main() {
+    val popcorn = 5
+    val hotdog = 7
+    var customers = 10
+
+    customers = 8
+    println(customers)
+}