pemja

import pemja # Ensure JDK 8+ is installed and accessible in your system's PATH or JAVA_HOME. # In a production environment, consider explicit JVM options or classpath management. try: print("Launching JVM...") # Using a context manager ensures the JVM is shut down cleanly with pemja.launch_jvm() as jvm: print("JVM launched successfully.") # 1. Access a static method from a core Java class System = jvm.find_class("java.lang.System") java_version = System.getProperty("java.version") print(f"Java version reported by JVM: {java_version}") # 2. Create an instance of a Java class and call a method String = jvm.find_class("java.lang.String") greeting = jvm.create_instance(String, "Hello from PemJa in Python!") print(f"Original Java string: {greeting}") print(f"Uppercase Java string: {greeting.toUpperCase()}") # 3. Handle exceptions from Java # This is a simple example; real error handling would be more robust try: Integer = jvm.find_class("java.lang.Integer") Integer.parseInt("not_a_number") # This will throw a Java NumberFormatException except jvm.JavaException as e: print(f"Caught Java Exception: {e.get_stack_trace()}") except pemja.PemjaException as e: print(f"PemJa specific error: {e}") print("Please ensure JDK 8+ is correctly installed and configured.") except Exception as e: print(f"An unexpected error occurred: {e}")