Create a TaxCalculator class with TDD Approach which will have a method with below signature

public long calculateTax(long income)

The above method should have the below functionality:

• If income is Upto Rs. 2,50,000, tax is 0.
• If income is Between Rs. 2,50,001 and Rs. 5,00,000, tax will be 5% of Income exceeding Rs. 250,000.
• If income is Between Rs. 5,00,001 to Rs. 10,00,000, tax will be Rs. 12,500 + 20% of Income exceeding Rs. 500,000.
• If income is Above Rs. 10,00,000, tax will be Rs. 1,12,500 + 30% of Income exceeding of Rs 10,00,000.

Please follow the TDD approach for arriving to the final solution.

Mockito Example

Create a class OnHandSalaryCalculator with TDD Approach which will have a method with below signature

public long getOnHandSalary(long income)

The above method should have the below functionality:

• It should call the tax calculator with income and return the income after deducting the tax from the income.

Note: Use Mockito to mock the TaxCalculator class.