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Numeric.byteValue - return the value of the Numeric object as a Java byte
Calling Sequence
byte byteValue() throws MapleException
Description
The byteValue function returns the value represented in the Numeric as a Java byte. If the value does not fit exactly into a Java byte, an error is raised.
To determine if the value fits within a Java byte, use the isByte function.
Examples
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;
byte b;
mapleArgs = new String[1];
mapleArgs[0] = "java";
engine = new Engine( mapleArgs, new EngineCallBacksDefault(),
null, null );
n = (Numeric)engine.evaluate( "200:" );
System.out.println( n.isByte() );
try
n.byteValue();
}
catch ( MapleException me )
System.out.println( me.getMessage() );
n = (Numeric)engine.evaluate( "100:" );
b = n.byteValue();
System.out.println( b );
Executing this code produces the following output.
false
Error, value too large for integer[1]
true
100
See Also
ExternalCalling/Java/MapleException, OpenMaple, OpenMaple/Java/API, OpenMaple/Java/Numeric, OpenMaple/Java/Numeric/doubleValue, OpenMaple/Java/Numeric/floatValue, OpenMaple/Java/Numeric/intValue, OpenMaple/Java/Numeric/isByte, OpenMaple/Java/Numeric/isInteger, OpenMaple/Java/Numeric/longValue, OpenMaple/Java/Numeric/shortValue
Download Help Document
