Eclipse setup chaos, how to restore to its original settings ?

I use eclipse , I do not accidentally press the wrong place , the result becomes the interface now I do not know ; had to choose a little Xml Attempt to start the installation of this interface is a good page , even if using Windows -Reset Perspective beginning can not be restored to the original installation of the interface , when you select a java (default) in this mode , especially when left under the package explorer display is blank , find a place to display and package written before class, but once you choose Xml perspective mode can be displayed , and how to restore the package explorer packages and classes under the display ?
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eclipse the lower right corner there is a small stuff, you move the mouse up , it prompts Show View as a fast view
then double-click it
Finally, in the dialog box search "Navigate" and select it , and you should be able to find the things you want a
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the reset prespective selection window and then click OK on it
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select the window and then click OK to reset prespective can be

can window-preferences in the search , enter the package and you want
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find a new job interval on all resets .
File -> Switch workspace
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select the window close prespective can be. This is how I recover from the debug
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under the eclipse workspace . metadata directory can be deleted . Restart eclipse. The records of this document you all about the eclipse configuration.