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Eclipse Warning



As my bioinformatics students are taught java using Eclipse - use Java 1.5 Scanners - I had to get them to show how to set Eclipse up for a small project (ex CodeWarrior) I had given them. Although my code ran fine, Eclipse was very nannyish warning me about sloppinesses (variables or methods that did not get used). Fair enough, I suppose. However for every class that had Swing/AWT in it it gave me the following type of warning in the class declaration:

"The serializable class BlahBlah does not declare a static final serialVersionUID field of type long"

What does this mean? Should I be concerned?

David

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