import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

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

    {

    String mapleArgs[];

    Engine engine;

    Numeric n;

    List l;

    RTable r;

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

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

        null, null );

    n = engine.newNumeric( 1000 );

    l = (List)engine.evaluate( "[1,2,3,4]:" );

    r = (RTable)engine.evaluate( "Array( 1..10, 1..10 ):" );

    engine.evaluate( "a := 10;" );

    System.out.println( n.isDisposed() );

    System.out.println( l.isDisposed() );

    System.out.println( r.isDisposed() );

    engine.restart();

    engine.evaluate( "a;" );

    System.out.println( n.isDisposed() );

    System.out.println( l.isDisposed() );

    System.out.println( r.isDisposed() );

    }

}

a := 10

false

false

false

a

true

true

true