[Octave-bug-tracker] [bug #60058] Feature request: function javaversion()

[Ernst Reissner]

Follow-up Comment #13, bug #60058 (project octave):

Ah i see, but then your comment 
'It is not in the scope of the Octave project to document which version
strings different vendors of different components return. (Those projects
could also decide to change the format.)' 

is clueless, 
["Java " jversion " with " jvendor " " jname " " jjitmode]
specifies the shape of the return value. 
So it is clear that a regular expression is to process it 
and which one. 
Well as long as java is installed at all. 

By the way, it is not safe to implement like that. 
        System.setProperty("java.version", "b;a");
        //System.setProperties(null);
        System.out.println(System.getProperty("java.version"));
yields b;a, 
only when uncommenting the middle line, the correct version occurs. 
so needed is javaMethod('setProperties', 'java.lang.System',[]), 
[] signifying null. 

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