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Cannot resolve symbol....

 
Greenhorn
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Hi, Im having a problem with compiling some code. Could anyone please tell me what the problem is:

and a test file:

My compiling errors are:
EditorPaneFrame.java:15: cannot resolve symbol
symbol : class WindowAdaptor
location: class EditorPaneFrame
addWindowListener(new WindowAdaptor()
^
EditorPaneFrame.java:45: cannot resolve symbol
symbol : method addActionListner (<anonymous java.awt.event.ActionListener>
location: class javax.swing.JButton
backButton.addActionListner(new ActionListener()
^
2 errors
Hope someone can help, many thanks
 
Ranch Hand
Posts: 1535
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Looks like typos
 
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