Table.keySet - Maple Programming Help

Online Help

All Products    Maple    MapleSim


Home : Support : Online Help : Programming : OpenMaple : Java Application Programming Interface : Table Class : OpenMaple/Java/Table/keySet

Table.keySet

get Set view of keys in the Table

Table.entrySet

get Set view of key/value pairs in the Table

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

java.util.Set<Algebraic> keySet( )

java.util.Set<Map.Entry<Algebraic,Algebraic>> entrySet( )

Parameters

key

-

index to check

Description

• 

The keySet function returns a java.util.Set view of the keys in the Table.

• 

The entrySet function returns a java.util.Set of Map.Entry objects, each representing a key/value pair in the Table.

Examples

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

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

    {

        String[] mapleArgs = { "java" };

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

        Table t = (Table)engine.evaluate( "table([1=100,2=200,3=300,4=400]):" );

        for (Algebraic e : t.keySet()) {

            System.out.println( "Key: " + e );

        }

    }

}

Executing this code produces the following output.

true

true

false

false

true

true

false

false

See Also

ExternalCalling/Java/MapleException

OpenMaple

OpenMaple/Java/Algebraic

OpenMaple/Java/API

OpenMaple/Java/Table

OpenMaple/Java/Table/assign

OpenMaple/Java/Table/clear

OpenMaple/Java/Table/remove

OpenMaple/Java/Table/select

OpenMaple/Java/Table/values