Upgrade project from JDK 11 to JDK 17

Co-authored-by: ehmkah <6233328+ehmkah@users.noreply.github.com>

Author: Copilot

.github/workflows/gradle-test.yml

@@ -8,10 +8,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:
-        java-version: 11
+        java-version: 17
 
     - name: Build with Gradle
       run: ./gradlew build

CHANGELOG.md

@@ -1,7 +1,8 @@
 # Changelog
 
 ## [Unreleased]
-- Configure Gradle build to explicitly specify JDK 11 requirements for better IDE integration
+- Upgrade project to JDK 17 from JDK 11
+- Configure Gradle build to explicitly specify JDK 17 requirements for better IDE integration
 - update dependencies
 - upgrade to gradle 7.3
 

README.adoc

@@ -27,7 +27,7 @@ This is an experimentel feature.
 * Current build state : image:https://github.com/ehmkah/imgdiff/actions/workflows/gradle-test.yml/badge.svg[link="https://github.com/ehmkah/imgdiff/actions/workflows/gradle-test.yml/badge.svg"]
 
 === Requirements
-* Java 11 or higher (project is configured to use Java 11)
+* Java 17 or higher (project is configured to use Java 17)
 
 === Setup
 * Import to intellij with gradle

build.gradle

@@ -11,7 +11,7 @@ version '1.12.0-SNAPSHOT'
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(11)
+        languageVersion = JavaLanguageVersion.of(17)
     }
 }
 
@@ -28,13 +28,13 @@ dependencies {
 
 compileKotlin {
     kotlinOptions {
-        jvmTarget = "11"
+        jvmTarget = "17"
     }
 }
 
 compileTestKotlin {
     kotlinOptions {
-        jvmTarget = "11"
+        jvmTarget = "17"
     }
 }
 

gradle.properties

@@ -1,3 +1,3 @@
 # Java version configuration
 # Explicitly set Java version requirement
-java.version=11
+java.version=17