how to download and use eclipse ide in Ubuntu. ?
it is kinda hard to explain here, but you first need to install OpenJDK. than you just need to find the installation for Linux on eclipse's website, for more in-depth answer I suggest you to search about it in Google.
Go to eclipse website and download the eclipse for Ubuntu which version you want and copy that file into /opt folder extract that file. u need to add eclipse.desktop file in /usr/share/applications. if you want full documentation share your maid I'd. I will provide.