What is the output of each of the following problems, USE as tract table to show the execution of the loop and the output produced. TO RECEIVE CREDIT YOU MUST SHOW YOUR WORK VIA A TRACE TABLE. 1. Assuming the user inputs 1, what is the value of the variable a after the code executes: int a-0; Scanner input new Scanner(System.in); System.out.println("enter an integer number between 1 and 8"); a = input.nextint(); switch (a){ case 1: a a +3; case 2: a -a -3; case 3: break; case 5 break; a=a*2; a=a/2; case 6: case 8: break; default: // end switch // end if