On Tue, 3 Aug 2021 08:23:19 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org> 
wrote:

> In the JTable demo, if we double click on the first cell in the Favorite 
> Number column, delete the value and click on some
> other cell, a java.lang.NullPointerException is getting thrown.
> The flaw is in the TableDemo's TableModel getColumnClass() method which 
> queries the value of cell 0 in the target column, and returns its Class. This 
> logic seems to be flawed - an NPE will be thrown when the value in cell 0 is 
> null.
> Fix by checking for null.

This pull request has now been integrated.

Changeset: 64d18d45
Author:    Prasanta Sadhukhan <psadhuk...@openjdk.org>
URL:       
https://git.openjdk.java.net/jdk/commit/64d18d45ef885d5cdd893b7f56236d3f22b4b84c
Stats:     4 lines in 1 file changed: 3 ins; 0 del; 1 mod

4819544: SwingSet2 JTable Demo throws NullPointerException

Reviewed-by: pbansal, aivanov

-------------

PR: https://git.openjdk.java.net/jdk/pull/4969

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