mirror of
https://github.com/jlengrand/intro-to-kotlin.git
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Adds functional and coroutines
This commit is contained in:
Julien Lengrand-Lambert
124
.idea/uiDesigner.xml
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124
.idea/uiDesigner.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="Palette2">
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<group name="Swing">
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<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
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</item>
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<item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
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</item>
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<item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
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</item>
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<item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
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<default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
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</item>
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<item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
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<initial-values>
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<property name="text" value="Button" />
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</initial-values>
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</item>
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<item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
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<initial-values>
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<property name="text" value="RadioButton" />
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</initial-values>
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</item>
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<item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
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<initial-values>
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<property name="text" value="CheckBox" />
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</initial-values>
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</item>
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<item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
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<initial-values>
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<property name="text" value="Label" />
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</initial-values>
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</item>
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<item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
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<preferred-size width="150" height="-1" />
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</default-constraints>
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</item>
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<item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
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<preferred-size width="150" height="-1" />
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</default-constraints>
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</item>
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<item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
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<preferred-size width="150" height="-1" />
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</default-constraints>
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</item>
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<item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
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<preferred-size width="150" height="50" />
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</default-constraints>
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</item>
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<item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
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<preferred-size width="150" height="50" />
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</default-constraints>
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</item>
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<item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
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<preferred-size width="150" height="50" />
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</default-constraints>
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</item>
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<item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
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</item>
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<item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
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<preferred-size width="150" height="50" />
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</default-constraints>
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</item>
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<item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
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<preferred-size width="150" height="50" />
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</default-constraints>
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</item>
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<item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
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<preferred-size width="150" height="50" />
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</default-constraints>
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</item>
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<item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
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<preferred-size width="200" height="200" />
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</default-constraints>
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</item>
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<item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
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<preferred-size width="200" height="200" />
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</default-constraints>
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</item>
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<item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
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</item>
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<item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
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</item>
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<item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
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</item>
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<item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
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</item>
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<item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
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<preferred-size width="-1" height="20" />
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</default-constraints>
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</item>
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<item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
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<default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
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</item>
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<item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
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<default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
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</item>
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</group>
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</component>
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</project>
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@@ -1,7 +1,7 @@
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import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
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plugins {
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kotlin("jvm") version "1.7.10"
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kotlin("jvm") version "1.6.21"
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application
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}
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@@ -14,6 +14,8 @@ repositories {
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dependencies {
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testImplementation(kotlin("test"))
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
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}
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tasks.test {
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@@ -1,7 +0,0 @@
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fun main(args: Array<String>) {
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println("Hello World!")
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// Try adding program arguments via Run/Debug configuration.
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// Learn more about running applications: https://www.jetbrains.com/help/idea/running-applications.html.
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println("Program arguments: ${args.joinToString()}")
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}
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26
src/main/kotlin/async_04.kt
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26
src/main/kotlin/async_04.kt
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.runBlocking
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fun main(args: Array<String>) = runBlocking { // this: CoroutineScope
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val job = launch { // launch a new coroutine and continue
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printWorld()
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}
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println("Hello") // main coroutine continues while a previous one is delayed
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job.join() // wait until child coroutine completes
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println("Done")
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}
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suspend fun printWorld() {
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delay(1000L)
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println("World!")
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}
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fun main2() = runBlocking {
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repeat(100_000) { // launch a lot of coroutines
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launch {
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delay(5000L)
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print(".")
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}
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}
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}
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26
src/main/kotlin/functional_03.kt
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26
src/main/kotlin/functional_03.kt
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fun functionalFun(){
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val values = listOf(1, 2, 3, 4, 5, 6, 7, 8)
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// val positives = values.filter({ x ->x > 5 })
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// val positives = values.filter({ it > 5 })
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val positives = values.filter { it > 5 }
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val fruits = listOf("apple", "apricot", "banana", "blueberry", "cherry", "coconut")
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fruits
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.filter { it.startsWith("a") }
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.sortedBy { it }
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.map { it.uppercase() }
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.forEach { println(it) }
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// Has all of the fun stuff you'd expect
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println(values.fold(0) { acc, i -> acc + i })
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// amazing IDE support
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// val hasNegative = values.filter { it > 0 }.size > 0
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}
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@@ -11,8 +11,8 @@ fun playingWithNulls(){
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println(maybeSquare?.length)
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// bob?.department?.head?.name
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val l: Int = if (maybeSquare != null) maybeSquare.length else -1
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val betterl = maybeSquare?.length ?: -1
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// val l: Int = if (maybeSquare != null) maybeSquare.length else -1
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// val betterl = maybeSquare?.length ?: -1
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val nullableList: List<Int?> = listOf(1, 2, null, 4)
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}
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