# Java Program To Calculate Electricity Bill | Example

Java program to calculate Electricity bill. If you wondering on how to calculate Electricity bill by writing the Java program there you go. Here we share the list of code with sample outputs, in five different ways using static values, using function or method, using command line arguments, do while, for loop, user define method along with sample outputs for each program.

Q.  how to calculate electricity bill?

Consider the following example:

For example, a consumer consumes 500 watts per hour daily for one month.  Calculate the total energy bill of that consumer if per unit rate is 7? ( In \$, £, , INR, DHR, Riyal etc) [Take 1 month = 30 Days].

Solution :

s we know that 1 Unit = 1kWh

So total kWh = 500 watts x 24 hours x 30 days

= 360000

So, we want to convert into units:

Where 1 unit = 1kWh

Total consumed units are as 360000/1000 = 360

And, cost per unit is = 7, the total cost of the electricity bill is 360 x 7 = 2520( In \$, £, , INR, Rs, DHR, Riyal etc).

That’s it. Let’s get into programming.

1. Java program to calculate electricity using the static method with outputs

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There you go by using the standard values along with the sample outputs. If you have any doubts related to the following program do leave a comment here.

output:

2. Taking inputs through scanner class

Java code for obtaining Electricity Bill taking inputs through scanner class, with outputs.

output:

3. Taking Inputs through command line arguments

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Taking inputs through command line arguments with an output.

output:

4. Using Inheritance

output:

4. Electricity Bill code by creating a Separate class

Through creating a separate class( ) and taking inputs through scanner class.

output:

5. User-defined method ( Function )

output:
That’s it. Any doubts do let us know.

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