https://jira.baeldung.com/browse/BAEL-9427 (#18759)

Author: Michaelin007

core-java-modules/core-java-lang/pom.xml

@@ -28,6 +28,16 @@
 
     <build>
         <finalName>core-java-lang</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>21</source>
+                    <target>21</target>
+                </configuration>
+            </plugin>
+        </plugins>
         <resources>
             <resource>
                 <directory>src/main/resources</directory>

core-java-modules/core-java-lang/src/main/java/com/baeldung/commandlinearguments/CliFileReader.java

@@ -0,0 +1,23 @@
+package com.baeldung.commandlinearguments;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+
+public class CliFileReader {
+
+    public static void main(String[] args) throws IOException {
+        if (args.length == 0) {
+            System.out.println("Usage: CliFileReader <file-path>");
+        }
+        String path = args[0];
+        List<String> lines = Files.readAllLines(Path.of(path));
+        for (String line : lines) {
+            System.out.println(line);
+
+        }
+
+    }
+
+}

core-java-modules/core-java-lang/src/main/resources/hello.txt

@@ -0,0 +1,3 @@
+Hello World!
+Cheers
+Baeldung Team