In this java program example, we will learn to create a program to find factorial of a number, factorial number is a product of all positive descending integers of a given 'N' number. In math factorial is denoted by n number represent as n!.
In this section, we will learn about Java Keywords, Java Keywords is also known as a reserved keyword. Java has a total of 52 keywords. Out of these 52 keywords, 49 are in use, 1 is in preview, and 2 are not in use.