Cross-platform development in Java

This topic applies to FRE for Linux and Windows .

To effectively use all functionality provided and ensure developing the cross-platform applications, ABBYY FineReader Engine includes the Java wrapper, which you can find in the distributive package. This wrapper is suitable for any platform supported by ABBYY FineReader Engine and allows you to implement the ready-to-use Java classes intended for working with the Engine library. These Java classes can be used directly from Java applications. However, using Java wrapper has specifics for each platform, see the table below to learn about platform difference.

	Windows	Linux
Wrapper files	com.abbyy.FREngine-%BUILD_ID%.jar	com.abbyy.FREngine-%BUILD_ID%.jar
Loading and unloading methods	InitializeEngine function and COM loaders/DeinitializeEngine function	InitializeEngine function/DeinitializeEngine function
Processing	Supports both single-threaded and multi-threaded processes	Supports both single-threaded and multi-threaded processes
Using in-process	Use the InprocLoader object	Native JNI binding
Using out-of-process	Use the OutprocLoader object	You must use com.abbyy.Outproc.FREngine-%BUILD_ID%.jar instead of com.abbyy.FREngine-%BUILD_ID%.jar (See details of using out-of-process implementation under Linux in Out-of-Process Server Implementation)
Using remote method invocation	No	com.abbyy.rmi.FREngine-%BUILD_ID%.jar com.abbyy.rmi.server.FREngine-%BUILD_ID%.jar (See details in Using the RMI-capable wrapper)
Code samples	Hello EnginesPool	Hello Outproc MultiThreading rmiWorker rmiWorkerClient rmiPoolServer rmiPoolClient threadPoolClient

See also

Using ABBYY FineReader Engine in Java