This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
This message often occurs in IDE-generated code, primarily Netbeans, I think, to indicate that a method has been called for which only a placeholder or 'stub' has been written. If that is the case here, find the method causing the error in the code and complete it.
Always learning Java, currently using Eclipse on Fedora.
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