Which of the following media sanitization methods removes data by shredding or burning?

Which of the following statements are correct?

``` I: try (PrintWriter output = new PrintWriter("output.txt")) { output.println("Welcome to Java"); } II: try (PrintWriter output = new PrintWriter("output.txt");) { output.println("Welcome to Java"); } III: PrintWriter output; try (output = new PrintWriter("output.txt");) { output.println("Welcome to Java"); } IV: try (PrintWriter output = new PrintWriter("output.txt");) { output.println("Welcome to Java"); } finally { output.close(); } ``` a. I b. II c. III d. IV

Suppose you were assigned to develop a logical model of the registration system at a school or college. Would you be better off to use a top-down approach, or would a bottom-up strategy be better? What would influence your decision?

What will be an ideal response?