NetBeans IDE 7.3 is a super tool for development and it supports several programming languages.We are now using NetBeans IDE 7.3 for different different types of software development environments. In NetBeans IDE 7.3 recovering options are also available.
Right click on the folder/directory of NetBeans IDE 7.3 that the files had been deleted.
Then Choose Local History –> click on the option Restore Deleted