args

-

start up command-line arguments

cb

-

call back methods

user_data

-

arbitrary data to be passed into the call backs

res

-

reserved for future use

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

    public static void main( String notused[] ) throws MapleException

    {

    String mapleArgs[];

    Engine engine;

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

    engine = new Engine( mapleArgs, new EngineCallBacksDefault(),

        null, null );

    engine.evaluate( "int(x,x);" );

    engine.evaluate( "LinearAlgebra:-RandomMatrix( 3, 3 );" );

    try

    {

        engine.evaluate( "syntax_error" );

    }

    catch ( MapleException me )

    {

        System.out.println( "Error: "+me.getMessage() );

    }

    }

}

1/2*x^2

Matrix(3,3,{(1, 1) = -21, (1, 2) = -50, (1, 3) = -79, (2, 1) = -56, (2, 2) = 30, (2, 3) = -71, (3, 1) = -8, (3, 2) = 62, (3, 3) = 28},datatype = anything,storage = rectangular,order = Fortran_order,shape = [])

Error: at offset 13, unexpected end of statement