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Object communication in java?
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Ashish K Sharma
Ranch Hand
Joined: Aug 22, 2006
Posts: 31
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Hi,
I want to Notify an class A whenever something happenes to another class B, i mean any method called, any variable updated?
How can i achieve this in java?
Ashish
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Awais Bajwa
Ranch Hand
Joined: Jan 16, 2001
Posts: 190
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Use a referece of Clas A to get notified in B. Read Observer Design Pattern.
Awias Bajwa
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Peter Chase
Ranch Hand
Joined: Oct 30, 2001
Posts: 1970
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Can you change class B?
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Betty Rubble? Well, I would go with Betty... but I'd be thinking of Wilma.<br /> <br />#:^P
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William Brogden
Author and all-around good cowpoke
Rancher
Joined: Mar 22, 2000
Posts: 12265
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I want to Notify an class A whenever something happenes to another class B,
Keep in mind that you are really talking about an instance of class A and an instance of class B, NOT the Class object.
Bill
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Java Resources at www.wbrogden.com
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Ashish K Sharma
Ranch Hand
Joined: Aug 22, 2006
Posts: 31
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Thanks for your inputs.
Yes it's abour object instances for sure.
I believe i need to gain more knowledge on design patterns first.
Thanks again
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subject: Object communication in java?
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