Question 1
Create a JNI program to calculate the electricity bill. The Java main program will request the user to provide the total electricity consumption (kWh) and total water consumption (m³).
- First native method:
i) Input: Total electricity consumption (kWh)
ii) Calculate the electricity bill based on the table below:

- Second native method:
i) Input: Total water consumption (m³).
ii) Calculate the water bill based on the table below:

- Java’s main function invokes the first and native method, displays the electricity and water bill amount respectively, and calculates the total amount need to pay for the electricity and water.
- A bonus will be given if students provide an additional feature that is attractive and useful.
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