Exercise 7.13 jhtp (date class): create a class called date that includes 3 instance variables—a month (type int), a day (type int), and a year (type int). provide a constructor that initializes the 3 instance variables and assumes the values provided are correct. provide a set and a get method for each instance variable. provide a method displaydate that displays the month, day, and year separated by forward slashes(/). write a test application named datetest that demonstrates class date’s capabilities.

Problem 1 - hashing we would like to use initials to locate an individual. for instance, mel should locate the person mark e. lehr. note: this is all upper case. generate a hash function for the above using the numbers on your telephone. you know, each letter has a number associated with it, so examine your telephone keypad. generate 512 random 3 letter initials and take statistics on a linked list array size 512 to hold this information report how many have no elements, 1 element, 2 elements, does this agree with the hashing statistics distribution?

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.

Ingrid started speaking about her slide presentation. when she clicked to th"third slide, which had just a picture of an elephant, she forgot what she wassupposed to talk about. what could ingrid do to avoid this situation in thefuture? oa. print handouts for her audience.ob. add presenter's notes to each slide.oc. add a video to each slide.od. save her slide presentation to a flash drive