Question 2 (7 points) If the size of the Database object is 120 bytes and each reference is 4 bytes long, how many bytes does the following code excerpt occupy in memory? Database db1 = new Database(); Database db2 = db1; Question 3 (10 points) 1- Write a Java method that receives a parameter of type String and returns its first character as a char. (Hint: look at how to use the charAt(int index) method of the String class) 2- Write a test program the calls the method and prints the output. 3- Submit your .java files for this question. MacBook Air 80 000 PA DII F4 F5 F6 F7 F8 69 F10