Abstract keyword in Java

  • 10 March 2020
  • ADM

The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.


All keywords in Java

  • 09 March 2020
  • ADM

Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.


How to read CSV file in Golang

  • 23 December 2019
  • ADM

How to read CSV file in Golang using reader from encoding/csv package. For this example we took an simple example of a CSV file containing three columns name, address and phone.


How to measure execution time in Golang

  • 19 December 2019
  • ADM

To mesure the time used by an application in Golang or of a code section the functions time.Now() and time.Since() can be used.


How to delete the Windows.old folder from Windows 10

  • 30 July 2020
  • ADM

If you recently update your OS to Windows 10, you might notice that you are running out of space. If this is happening it might be because the old version of the Windows is not yet deleted from the disk, it is stored into "Windows.old" folder. And depending on the size of that version, it could be taking a lot of precious space.


How to execute shell command from Java

  • 20 June 2018
  • ADM

How to execute a shell command from Java using Runtime.getRuntime().exec() method.