Scilab Home page | Wiki | Bug tracker | Forge | Mailing list archives | ATOMS | File exchange
Please login or create an account
Change language to: English - Français - Português - 日本語
Справка Scilab >> Java из Scilab > jexists

jexists

Test if a Scilab Java Object is valid on the Java side

Syntax

bool = jexists(obj)

Parameters

obj

A mlist typed _JObj or _JClass

bool

A boolean

Description

Returns true if the corresponding Java object is always valid. An object can be invalidated with jremove.

Examples

jimport java.lang.Double;
d = Double.new("1.23456");
jexists(d)
jremove d;
jexists(d) // Will fail

See also

  • jremove — Remove a Java Object on the Java side

History

ВерсияОписание
5.5.0 Function introduced. Based on the 'JIMS' module. The main difference in the behavior compared to the JIMS module is that jautoUnwrap is enabled by default.
Scilab Enterprises
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Tue Feb 14 15:13:38 CET 2017