In windows,Solaris and linux, if <component>.setFocusable(false) is called by
the Focus Owner, Focus is retained with itself instead of transfering it to the next focusable component in the cycle.

And a contradictory state arises as follows:

<component>.isFocusable() is returning "false" ,but
<component>.hasFocus() is returning "true"
<component>.isFocusOwner() is returning "true"
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java version "1.4.0-rc"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-rc-b89)
Java HotSpot(TM) Client VM (build 1.4.0-rc-b89, mixed mode)

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Please try running the attached program "setFocusableTest.java".Its an automated test no manual intervention is required.