intro to java

1. Write code for a JOptionPane dialog that will ask whether the user is at least 18 years of age. Then set the boolean variable adult equal to either true, if the user is at least 18, or false otherwise. Include the declaration of the variable adult. 2 Write a code to draw a colored frowning face. 3. Use showConfirmDialog box to take user confirmation for finding the factorial of a number. If the user confirms Yes, Use dialog boxes to take the input of a number and displaying it's factorial 4. Write a program that inputs two strings that represents a time of day using the format HH:MM:SS AM or PM and then outputs the time elapsed from the first to the second time in minutes and seconds. For example, given the strings: 1. 11:58:1O PM 2. 12:02:15 AM The program should output that the time elapsed is 4 minutes and 5 seconds. Use dialog boxes