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

[Prasanta Sadhukhan]

On Wed, 22 Jun 2022 13:14:31 GMT, Abhishek Kumar <duke at openjdk.org> wrote:

> JLabel and AbstractButton's imageUpdate method description updated.

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

> 2149:      * Returns true if one of this AbstractButton's icon or disabled icon is derived from
> 2150:      * ImageIcon and it's Image is equal to the image passed in; false
> 2151:      * otherwise.

Guess it should be "Returns true if the button icon for present button state is an instance of ImageIcon and the image it contains is same as the <code>image</code>"

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