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mplement a TemperatureConverter class that converts temperatures
between Celsius and Fahrenheit.
2. Create a Java program with a Calculator class that includes methods
for addition, subtraction, multiplication, and division.
3. Create a DistanceCalculator class to calculate the distance between two
points (x1, y1) and (x2, y2). Utilize a parameterized constructor to set
the coordinates.
4. Develop a Circle class with methods to calculate the circumference
and area of a circle. Use a parameterized constructor to set the
radius.
5. Design a SimpleInterestCalculator class with methods to calculate
simple interest. Use a parameterized constructor to set the principal
amount, rate of interest, and time.