Whenever you write a Java class in Eclipse which implements java.io.Serializable interface, you'll get this warning:The serializable class XXXX does not declare a static final serialVersionUID field of type longWhy do we need serialVersionUID? Whenever we implement java.io.Serializable interface, we explicitly tell JVM that this class can be serialized. Meaning, we might convert object of this ...
Sometimes Eclipse gives weird errors that you have no clue why is coming. For example, recently I got this strange error in eclipse's Problems view.This project needs to migrate WTP metadataTo remove this error, all you have to do is to re-validate the project.Select the project that you want to validate. Right-click the project and then ...
If you are a regular Eclipse user than you might have got this error many times. The error simply says, "you've made changes in files in your workspace from outside eclipse". The simplest solution would be to select the project and press F5 (Right click -> Refresh). This will re-sync any external changes to the file system and eclipse would now know what exactly is ...
If you are using Eclipse as your primary development IDE, then you may want to know about Code templates in Eclipse. Code templates are certain user defined (some are available by default) templates which can assist in rapid code writing. Not only code templates increase your code writing speed, but it also add consistency across the code.To add a code template, all you need to ...
Ever wanted to hide all those closed projects in eclipse? Well, here is a simple trick that you may not know already.Imagine your Eclipse workspace is filled with many projects that you created in past just to test some small functionality. Now you are done with these projects and hence you have closed it. Eclipse by default show all the closed projects in Project ...