JEP 458: Launch Multi-File Source-Code Programs

Author: ibrahimatay

README.md

@@ -8,6 +8,7 @@ This repository contains Java examples that are designed to track and document t
 ## Specifications & Practices
 
 * [Java 22](java-22) (March, 2024)
+  * [JEP 458](java-22/src/main/java/com/ibrahimatay/JEP458LaunchMultiFileSourceCode.java): Launch Multi-File Source-Code Programs]
 
 * [Java 21](java-21) (September, 2023)
   * [JEP 430](java-21/src/main/java/com/ibrahimatay/JEP430StringTemplates.java): String Templates

java-22/src/main/java/com/ibrahimatay/JEP458LaunchMultiFileSourceCode.java

@@ -0,0 +1,31 @@
+package com.ibrahimatay;
+
+// JEP 458: Launch Multi-File Source-Code Programs
+// https://openjdk.org/jeps/458
+
+// JEP draft: Launch Multi-File Source-Code Programs
+// https://www.reddit.com/r/java/comments/11u1w17/jep_draft_launch_multifile_sourcecode_programs/
+
+// java --enable-preview --source 22 JEP458LaunchMultiFileSourceCode.java
+
+public class JEP458LaunchMultiFileSourceCode {
+	static {
+		System.out.println("LaunchMultiFileSourceCodeProgramMain static initializer");
+	}
+
+	void main() {
+		System.out.println("Here the launcher will compile and load the other Java file");
+		var value = LaunchMultiFileSourceCodeHelper.generateValue();
+		System.out.println("Value: " + value);
+	}
+}
+
+class LaunchMultiFileSourceCodeHelper {
+	static {
+		System.out.println("LaunchMultiFileHelper static initializer");
+	}
+
+	public static int generateValue() {
+		return 42;
+	}
+}