plz write code in java

Q1: Define a class GeomSequ that represents the following sequence a, a r, a * r?, a*r, a* r*, a *r,... The class should have the following private data fields and the accessor method for each data field: The first term, a, in the sequence The ratio r between successive terms in the sequence The value of the current term in the sequence The value of the exponent for the current term in the sequence Include a constructor, and a method toString. In addition, provide a mutator method for each of the following tasks: Replace the current term in the sequence with the next term Reset the current term in the sequence to the initial term in the sequence Write a program that tests your class definition