TextPad is an editor which will help us in writing Java Programs and execute them from the editor itself, i.e. instead of executing the java program from command line. Below, I will explain from where we've to download the TextPad and how to install it.
1. Go to http://www.textpad.com/download/ page
2. Choose the English User interface and click on 'Download' link as shown below (Install 32-bit if you have 32 bit machine or Install 64-bit if you have 64 bit machine):
3. Right click on the downloaded Zip file and unzip it (I use WinRAR software to unzip Zip files) as shown below: