Optional info Test fails on jdk11 with openj9, passes on hotspot. Issue with String.equalsIgnoreCase () method where the string "?" is not equal to itself.

It returns true if the invoking string and the string passed in the equals function contains the same characters otherwise it returns false. Both strings must be in same case( Case-sensitive).

System.out.println("Do you want to restart the program? Enter the letter Y to restart:"); System.out.println("Enter the Letter E to Exit"); ...