How to Parse a CSV File in Java Using OpenCSV?

The CSV or “Comma Separated Values” is a file format containing data in rows and columns where each value is separated by a “comma” symbol. This file is mainly used to transfer data from one place to another due to its compressed size and easy-to-understand structure....

Merge Two Maps in Java

Map merging is essential while working on a project that is being managed by multiple team members from different platforms. Merging of maps allows us to see modifications and the latest updated data which helps in reducing conflict. Maps store data in a key-value...

How to set JAVA_HOME in Linux for all users

Java is the most popular programming language, used for the development of desktop and mobile applications. Java is a cross-platform programming language, which means that you can run its code on different operating systems having different hardware architectures....

How To Generate Random Integers Between 0 and 9

Python has several built-in modules that provide different functionalities. One such module is random that supports multiple functions and methods to generate random numbers. Random numbers are used in guessing games, lotteries, etc. This guide will discuss in detail...

How to Find Linux OS Name & Kernel Version

Linux is one of the most famous open-source operating systems. Since users have the right to make desirable changes and distribute as they like, a huge number of different Linux distributions are available in the market.  Regular users must know what Linux...

How to Convert a String into DateTime in Python

Strings are a sequence of characters commonly used in Python to work with textual data. In Python, strings can represent dates and times, however, Python provides a more appropriate data type called DateTime for working with dates and times. Moreover, strings can be...

How to find a File’s location in Linux?

Linux is an open-source unix-like operating system based on the Linux kernel. Sometimes a common problem arises for linux users when the users cannot locate a file. We can use the GUI to find the file’s location very easily. But in some cases, we have to refer to the...

How to Compress a folder with tar

The process of compressing files reduces the amount of size of files and helps deliver email attachments or transfer these files efficiently. We can also use the compressed files and folders for backup, and use it at the time of need. Ubuntu 22.04 provides the tar...

How do I run a Python function in terminal

Python functions are the blocks of code that perform a specific task. Functions provide the facility of modular programming. You can code the function once and use that function many times. You can use the Python-predefined functions as well as user-defined functions....