Engine.newList - Maple Help

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Engine.newList

create a new List

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

List newList( int length ) throws MapleException

Parameters

length

-

length of the list to be created

Description

• 

The newList method creates a new Maple list of length length.  The list is represented as a List object.

• 

The elements of the list must be initialized and the unique member function must be called before it can be passed into a Java OpenMaple function.

• 

Errors that occur within the Maple session are reported via errorCallBack, other errors are raised as a MapleException.

Examples

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

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

    {

    String mapleArgs[];

    Engine engine;

    List l;

    mapleArgs = new String[1];

    mapleArgs[0] = "java";

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

        null, null );

    l = (List)engine.newList( 3 );

    l.assign( 1, engine.newNumeric( 12345 ) );

    l.assign( 2, engine.newNumeric( 1.8 ) );

    l.assign( 3, engine.newNumeric( 1./3 ) );

    l = (List)l.unique();

    System.out.println( l );

    }

}

Executing this code produces the following output.

[1, 1.80000000000000004, .333333333333333315]

See Also

ExternalCalling/Java/MapleException

list

OpenMaple

OpenMaple/Java/API

OpenMaple/Java/Engine

 


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