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Bug 268412 - Support for items in /list
Support for items in /list
Product: java
Classification: Unclassified
Component: JShell
PC Windows 7
: P2 (vote)
: Dev
Assigned To: Svata Dedic
Depends on:
  Show dependency treegraph
Reported: 2016-10-07 21:25 UTC by Geertjan Wielenga
Modified: 2016-12-01 15:42 UTC (History)
0 users

See Also:
Issue Type: DEFECT


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Description Geertjan Wielenga 2016-10-07 21:25:49 UTC
When you use /list, you properly see the valid snippets you’ve entered so far. But when you then use


etc. to execute the snippets you’ve typed so far, it instead executes the default imports that are loaded when the session starts.
Comment 1 Paul Deitel 2016-10-16 13:09:57 UTC
This is related to the bug that’s already filed about /# executing the wrong snippet.

I was looking at JShell in NetBeans again this morning and noticed your prompt is

	[#] ->

The first # displayed is 9, which I assume is because it’s treating JShell’s default imports and printf definition as 1-8. That is different from how JShell does it, where the first snippet you enter is #1. 

Another difference I noticed is that command-line JShell numbers only VALID snippets sequentially. So, for example, if you enter a valid snippet, followed by a snippet with an error, followed by another valid snippet, the two valid snippets are numbered 1 and 2 and the invalid one is e1. If you then execute /2, the second VALID snippet is recalled, not the one with the error that was typed second.

In NetBeans, /# always recalls the snippet based on the number in the [#] -> prompt.

I believe this work the same as in command-line JShell.
Comment 2 Svata Dedic 2016-12-01 15:42:28 UTC
/n history command should now reexecute snippet "n" (as seen in /list command). Prompt numbers correspond to snippet numbers.

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