Scilab 6.1.0
- Scilab Help
- Java from Scilab
- Getting started - Beginning
- Getting started - Second step
- jallowClassReloading
- jarray
- jautoTranspose
- jautoUnwrap
- jcast
- jcompile
- jcreatejar
- jdeff
- jdisableTrace
- jenableTrace
- jexists
- jgetclassname
- jgetfield
- jgetfields
- jgetinfo
- jgetmethods
- jimport
- jinvoke
- jinvoke_db
- jnewInstance
- jnull
- jremove
- jsetfield
- junwrap
- junwraprem
- jvoid
- jwrap
- jwrapinchar
- jwrapinfloat
- new
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
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
See also
- jremove — Remove a Java Object on the Java side
History
| Version | Description |
| 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. |
| Report an issue | ||
| << jenableTrace | Java from Scilab | jgetclassname >> |