From 8dc463eafb2ae9443675b062995d600b9d26f7b9 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Mon, 18 Sep 2023 16:31:20 -0700
Subject: Make every effort to move the language level to 20 with preview

For pattern-match switch statements.  Much nicer looking code.
Also IDEAJ gave me huge grief, so I might have hit this with a larger hammer than needed.
---
 .github/workflows/maven.yml | 4 ++--
 language/pom.xml            | 4 ++--
 pom.xml                     | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 48ad1d91..7f25a193 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -9,10 +9,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Set up JDK 17
+      - name: Set up JDK 20
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '20'
           distribution: 'temurin'
       - name: Build with Maven
         run: mvn --batch-mode --update-snapshots verify
\ No newline at end of file
diff --git a/language/pom.xml b/language/pom.xml
index 7d748aa1..9073598f 100644
--- a/language/pom.xml
+++ b/language/pom.xml
@@ -11,8 +11,8 @@
 	<name>SeaOfNodes Demo Simple Language Grammar</name>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.target>17</maven.compiler.target>
-		<maven.compiler.source>17</maven.compiler.source>
+		<maven.compiler.target>20</maven.compiler.target>
+		<maven.compiler.source>20</maven.compiler.source>
 		<antlr4test-maven-plugin.version>1.22</antlr4test-maven-plugin.version>
 		<antlr.version>4.11.1</antlr.version>
 		<antlr4test-maven-plugin.version>1.21</antlr4test-maven-plugin.version>
diff --git a/pom.xml b/pom.xml
index 9f9601d9..612f703b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,8 +24,8 @@
     </modules>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>20</maven.compiler.source>
+        <maven.compiler.target>20</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <junit.version>4.13.2</junit.version>
     </properties>
-- 
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