Write a class named GasTank containing: An instance variable named amount of type double , initialized to 0.

LANGUAGE: JAVA

CHALLENGE:

Write a class named GasTank containing:
An instance variable named amount of type double , initialized to 0.
A method named addGas that accepts a parameter of type double . The value of the amount instance variable is increased by the value of the parameter .
A method named useGas that accepts a parameter of type double . The value of the amount instance variable is decreased by the value of the parameter . However, if the value of amount is decreased below 0, amount is set to 0.
A method named isEmpty that accepts no parameters . isEmpty returns a boolean value : true if the value of amount is less than 0.1, and false otherwise.
A method named getGasLevel that accepts no parameters . getGasLevel returns the value of the amount instance variable .

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