Java code.

char grade'C switch (grade) case 'A' System.out.println ("Excellent!") break; case 'B case 'C' : System.out.println ("Well done") break; System.out.println ("You passed") System.out.println ("Better try again") case 'D case 'F break; default: System.out.println ("Invalid grade") System.out.println ("Your grade is " grade) What is the output if grade is "D"? How about if grade is "F"? Why