Eclipse doesn't find javax.swing

Question

Eclipse cant find the import javax.swing.JOptionPane

Where is it located and how can i include it?

import javax.swing.JOptionPane;
         


        

Answer 1

Try to Update the execution environment under system library to JavaSE-1.7 or JavaSE-1.8 in eclipse. To update the step below can be followed:

> Right-click on the project
> Select properties
> Java build path
> Library > Add Library > Add JRE SYSTEM Library
> Execution Environment
> Select JavaSE-1.7 or JavaSE-1.8
> Finish