#557: Drop support for Java 8, Java 9 and Java 10

Author: TheSnoozer

.github/workflows/default-tests.yml

@@ -8,11 +8,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           distribution: 'zulu'
-          java-version: 8
+          java-version: 11
           java-package: jdk
       - name: Cache local Maven repository
         uses: actions/cache@v2
@@ -30,7 +30,7 @@ jobs:
     strategy:
       matrix:
         java_allow_illegal_access: [false]
-        java_version: ['8', '9', '10', '11', '12', '13', '14', '15']
+        java_version: ['11', '12', '13', '14', '15']
         include:
           - java_version: '16'
             java_allow_illegal_access: true
@@ -64,7 +64,7 @@ jobs:
     needs: checkstyle
     strategy:
       matrix:
-        java_version: ['8']
+        java_version: ['11']
         maven_version: ['3.0', '3.0.5', '3.1.1', '3.2.5', '3.3.9', '3.5.4', '3.6.3', '3.8.1']
 
     steps:
@@ -119,11 +119,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: git checkout "${GITHUB_REF:11}"
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           distribution: 'zulu'
-          java-version: 8
+          java-version: 11
           java-package: jdk
       - name: Cache local Maven repository
         uses: actions/cache@v2
@@ -142,11 +142,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           distribution: 'zulu'
-          java-version: 8
+          java-version: 11
           java-package: jdk
       - name: Cache local Maven repository
         uses: actions/cache@v2

core/pom.xml

@@ -15,7 +15,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.target>1.8</java.target>
+        <java.target>11</java.target>
 
         <jgit.version>5.12.0.202106070339-r</jgit.version>
         <junit.version>4.13.2</junit.version>

maven/pom.xml

@@ -27,7 +27,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-    <java.target>1.8</java.target>
+    <java.target>11</java.target>
 
     <maven-plugin-api.version>3.0</maven-plugin-api.version>
     <maven-plugin-plugin.version>3.6.0</maven-plugin-plugin.version>

pom.xml

@@ -42,7 +42,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <java.target>1.8</java.target>
+        <java.target>11</java.target>
     </properties>
 
     <modules>