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السوال الاول :

simulate a calculator.

ASk the user till pressing C, to enter the first number the operator and the second number and do the operation .Use Escape Sequences?????

create a class called Empolyee that incloues three pieces of information as instance variables a first name (type string ) a last name (type string) and a monthly salary (double) .your class should have aconstrucotor that initializes the three instance variables.provide a set and get method for each instance variable. if the monthly salary is not positive set it to 0.0.write a test application named EmployeeTest that each objects yearly salary.Then give each Employee a 10% raise and display each Employees yearly salary again