Write a program in java that simulates the conditions you may find at a traffic light.$$The program should prompt the user to enter a value of either G$,$ Y$,$ or R that correspond to a green, yellow, or red light respectively.$$However$,$ in the case of a yellow light the program should also prompt the user to check for a police presence by entering a$$value of Y or N for yes or no$.$If there are no police in sight$$then proceed through the light,$$otherwise come to a complete stop to avoid a ticket.

This program should use the if$-$else statement structure. Include all four different conditions related to the stoplight and a potential police presence and an example of invalid input. Include an switch statement version of this if$-$else statement as well please!