Add 50 additional Stream API examples

Author: javadev

.github/workflows/maven.yml

@@ -13,11 +13,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
-        distribution: 'temurin'
+        java-version: '21'
+        distribution: 'corretto'
         cache: maven
     - name: Build with Maven
       run: mvn -B package --file pom.xml

pom.xml

@@ -10,8 +10,8 @@
     <name>java_stream_api</name>
 
     <properties>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <junit.jupiter.version>5.13.0</junit.jupiter.version>
     </properties>