RFR: 6391806: JLabel and AbstractButton's imageUpdate method should be better specified [v4]

[Prasanta Sadhukhan]

On Tue, 28 Jun 2022 10:58:34 GMT, Abhishek Kumar <duke at openjdk.org> wrote:

>> JLabel and AbstractButton's imageUpdate method description updated.
>
> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   image changed to Image and newline added

src/java.desktop/share/classes/javax/swing/AbstractButton.java line 2151:

> 2149:      * Returns <code>true</code> if the button icon for present button state
> 2150:      * is an instance of ImageIcon and the image it contains is same as the
> 2151:      * <code>Image</code>, <code>false</code> otherwise.

we need to mention "same as the passed in Image" in both..

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PR: https://git.openjdk.org/jdk/pull/9240