The command cp stands for - copy. It is used to copy files in the file system. The basic syntax is $ cp <source> <destination> The <source> is the existing…
The pwd command stands for - Print Working Directory In the shell, we execute commands while staying in a directory. If we do ls, we see the contents of that…
We already learned java variables and data types, Java initialization, and java format specifiers. We know how to print them out. Now, if we say to ask the user to…
In the previous tutorial, we demonstrated a lesson for Java initialization. If you have a lack of knowledge from the Java initialization, we recommend you first check out that lesson…
Factorial of a number is the product of the numbers from 1 to that number. For example factorial of 3, denoted as 3! and the value is 3x2x1 = 6.…
In Java using HashMap we can store data using custom indexes. In HashMap an Index can be any object type. And for each object index there is a value. Importing…
In java this keyword is use to reference the an object. Most of the time it used to reference the current object. However, in inner class, this can also refer…
Avro keyboard is the popular software to type bangla in computer. Since, the popularity of linux based operating systems is increasing the OmicronLab company has also developed software to type…