switch statements

switch/switch/.idea/workspace.xml

@@ -10,6 +10,9 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../.." />
   </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
   <component name="ProjectId" id="2KEUPgEewuByw0TGrg7D4kfckCr" />
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectViewState">
@@ -20,9 +23,24 @@
   "keyToString": {
     "RunOnceActivity.OpenProjectViewOnStart": "true",
     "RunOnceActivity.ShowReadmeOnStart": "true",
-    "WebServerToolWindowFactoryState": "false"
+    "WebServerToolWindowFactoryState": "false",
+    "settings.editor.selected.configurable": "preferences.lookFeel"
   }
 }]]></component>
+  <component name="RunManager">
+    <configuration name="Main" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="Main" />
+      <module name="switch" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <recent_temporary>
+      <list>
+        <item itemvalue="Application.Main" />
+      </list>
+    </recent_temporary>
+  </component>
   <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
   <component name="TaskManager">
     <task active="true" id="Default" summary="Default task">
@@ -31,9 +49,13 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1673539215413</updated>
+      <workItem from="1673539218018" duration="5385000" />
     </task>
     <servers />
   </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
   <component name="Vcs.Log.Tabs.Properties">
     <option name="TAB_STATES">
       <map>

switch/switch/src/Main.java

 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        int value = 4;
+        switch (value) {
+            case 1 -> System.out.println("Value was 1");
+            case 2 -> System.out.println("Value was 2");
+            case 3, 4, 5 -> {
+                System.out.println("Was a 3, a 4 or a 5");
+                System.out.println("Actually it was a " + value);
+            }
+            default -> System.out.println("Value was not 1 or 2");
+        }
+        String month = "aprilr";
+        System.out.println(month + " is in the " + getQuarter(month) + " quarter");
+    }
+
+    public static String getQuarter(String month) {
+        return switch (month) {
+            case "january", "february", "march" -> "1st";
+            case "april", "may", "june" ->  "2nd";
+            case "july", "august", "september" ->  "3rd";
+            case "october", "november", "december" -> "4th";
+            default -> {
+                String badResponse = month + " is bad ";
+                // The word yield is a new keyword, introduced for the switch expression,
+                // to return a value back.
+                yield badResponse;
+            }
+        };
     }
 }
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