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via Oracle Community by 807549, 1 year ago
Do not use RecBt.add() use >RecBt.get ContentPane().add() instead
via Oracle Community by 807597, 2 years ago
Do not use lab1.add() use lab1.getContentPane().add() instead
via Google Groups by Tobias Müller, 6 months ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Stack Overflow by Extorcs
, 7 months ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Coderanch by Mitchell Mock, 1 year ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Google Groups by Fuddzy, 8 months ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
java.lang.Error: Do not use RecBt.add() use RecBt.getContentPane().add() instead at javax.swing.JFrame.createRootPaneException(JFrame.java:446) at javax.swing.JFrame.addImpl(JFrame.java:472) at java.awt.Container.add(Container.java:298) at RecBt.<init>(RecBt.java:25) at RecBt.main(RecBt.java:88)