Core Java(TM) 2, Volume I--Fundamentals (7th Edition) (Core Series) (Core Series)

2017-07-07 02:10:07

Prior to JDK 5.0, the JFrame, JDialog, and JApplet classes did not delegate add and setLayout calls to the content pane. Note that this issue is only reported at run time.

5.0	1.4
`add(component)`	`getContentPane().add(component)`
`setLayout(manager)`	`getContentPane().setLayout(manager)`

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