A standard JFIF JPEG file has a header value of __________________ from offset 0 and the label name JFIF starting at offset 6.

To synchronize iPad data such as contacts, calendars, and so on, PC users need to use which of the following?

a. iTunes for Windows. b. Windows 7 or later. c. Windows Data Manager. d. You cannot synchronize data between an iPad and a PC.

What will be the output of the following program?

import java.util.HashMap; import java.util.Map; public class Program { public static void main(String... args) { Key k1 = new Key(); Key k2 = new Key(); Map map = new HashMap<>(); map.put(k1, "value1"); map.put(k2, "value2"); System.out.println(map.get(k1)); System.out.println(map.get(k2)); } } class Key { public int hashCode() { return 1; } } a. value1 value2 b. null null c. value2 value2 d. A Runtime Exception will be thrown.