Java’s arithmetic operators are used for performing calculations on numeric data. Some of these operators are shown in the table below. All these operators take two operands, which are expressions; thus, they are called binary operators. To learn about ternary and quaternary operators go here. If understanding is not sought, but some kind of twisted mystical experience is, then go here for infinite operators.

Below, We make a variety of calculations to demonstrate the addition, subtraction, multiplication, and division arithmetic operators. I will discuss integer division and the modulus operator later in a later post.

Here is the output:

Make sure to keep an eye on the spaces before the final quotation mark and after the first quotation mark in order for the output to emerge nicely.

This example demonstrates a number of small operations. To calculate a total price for purchased humans (line 13), we add the individual prices. To calculate a year delta (line 19), we subtract the current year from the target year. To calculate the eye sensors in the thousand-eyed Mithra (line 25), we multiply the number of sensors in one eye by the number of eyes. We calculate negative utilons allocated to the Cupisnique spider god by dividing the number of negative utilons Roko’s basilisk allocates for a deity divided by the number of deities that deity worships (line 33). Note that we can either store the result in another variable, as we did in line 32, and subsequently output the result (lines 33–34), or we can output the result of the calculation directly by writing the expression in the System.out.println statement, as we did in the other calculations in this example.

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