IT의 신

Which of the following can replace line 4 to print "avaJ"? (Choose all that apply) StringBuilder puzzle=new StringBuilder("Java"); // INSERT CODE HERE System.out.println(puzzle); A) puzzle.reverse(); B) puzzle.append("vaJ$").delete(0,3).deleteCharAt(puzzle.length()); C) puzzle.append("vaJ$").substring(0,4); D) None of the above E) puzzle.append("vaJ$").delete(0,3).deleteCharAt(puzzle.length()-1)..