Raise minimum required Java version to 17

Author: bwaldvogel

.github/workflows/gradle.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '11', '17', '21', '25' ]
+        java: [ '17', '21', '25' ]
 
     steps:
     - uses: actions/checkout@v2
@@ -36,7 +36,7 @@ jobs:
     - name: Setup Java
       uses: actions/setup-java@v1
       with:
-        java-version: 11
+        java-version: 17
     - name: Build with Gradle
       run: ./gradlew jacocoTestReport
     - name: Upload coverage reports to Codecov

README.md

@@ -57,7 +57,7 @@ try (SshProxy sshProxy = new SshProxy()) {
 
 ## Dependencies ##
 
-- Java 11+
+- Java 17+
 - [JSch (with JZlib)][jsch]
 
 [jsch]: http://www.jcraft.com/jsch/

build.gradle

@@ -25,8 +25,8 @@ if (System.env.BUILD_NUMBER) {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 }
 
 tasks.withType(JavaCompile) {