Java classes, UML classes, UML sequence diagram:
a) Model the appropriate UML class model including therelationships.
b) In a UML sequence diagram, model the procedure when callingmethod methA (20) with the respective return values.
Please write clearly

public class A private B b new BO; private CC public int methACint x)t int y- b.methB1Cx) -new CCy); return b.methB2(c) public class B t public int methB1Cint x) return x*2; public int methB2CC c) i int z-c.methCO return z+7; public class
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