Selection Toggle Code Practice (2.1-2.6)

Selection Toggle Code Practice (2.1-2.6)

Each coding exercise has its own folder. Open its .java file and press Run to try it. Run Tests checks every graded exercise in this lesson at once.

For each of the coding problems below, write your own solution.

Exercise 1

Write code that tests guess to see if it is equal to answer or too high or too low. If it is too high as in the example below, it should print out Your guess is too high.

Open the 01-u2a-toggle1 folder and edit Test1.java. Press Run to try it; Run Tests checks it (4 tests).

Exercise 2

Write code that prints You can go out if you don’t have any homework and have cleaned and otherwise prints You can not go out.

Open the 02-u2a-toggle2 folder and edit Test1.java. Press Run to try it; Run Tests checks it (3 tests).

Exercise 3

Write code that tests if x is between 1 and 10, and prints 1 <= x <= 10 or x is not in range.

Open the 03-u2a-toggle3 folder and edit Test1.java. Press Run to try it; Run Tests checks it (4 tests).

Exercise 4

Write code that prints out if the string message has the word ringing in it or not. It should print out Answer the phone! if ringing is in message, and I don't hear anything. if not.

Open the 04-u2a-toggle4 folder and edit Test1.java. Press Run to try it; Run Tests checks it (3 tests).

Exercise 5

Write code that prints if your favorite food is junk food (pizza or wings) or not. Your code should check to see if the variable favFood value is pizza or wings. If it is, it should print out Your fav is junk food. If not, it should print Your fav is not junk.

Open the 05-u2a-toggle5 folder and edit Test1.java. Press Run to try it; Run Tests checks it (3 tests).

Exercise 6

Write code that prints your fine if you are speeding. If you are going over 65 but less than 75, the fine is 50. If you are going at least 75 and less than 85, the fine is 100. Over that the fine is 200. It should not print anything if you are not speeding.

Open the 06-u2a-toggle6 folder and edit Test1.java. Press Run to try it; Run Tests checks it (3 tests).

Exercise 7

Write code that prints the alarm time. If it is a weekday you should get up at 7:00am and if not get up at 10:00am.

Open the 07-u2a-toggle7 folder and edit Test1.java. Press Run to try it; Run Tests checks it (4 tests).

Exercise 8

Write code that prints if you Can text now or Can't text now. You can text if you are not driving and not eating.

Open the 08-u2a-toggle8 folder and edit Test1.java. Press Run to try it; Run Tests checks it (4 tests).

Exercise 9

Write code that prints whether your name Starts with a vowel (a, e, i, o, u) or Starts with a consonant.

Open the 09-u2a-toggle9 folder and edit Test1.java. Press Run to try it; Run Tests checks it (3 tests).

Exercise 10

Write code that prints the letter grade with your score. For a score greater than 90, it should print A. For a score between 80 and 90, it should print B. For a score between 70 and 80, it should print C. For a score between 60 and 70, it should print D. For all other scores, it should print E.

Open the 10-u2a-toggle10 folder and edit Test1.java. Press Run to try it; Run Tests checks it (4 tests).

Exercise 11

Complete the get_mid(str) method in the StringWorker class to return the middle character if the string has an odd number of characters and the middle two characters if the string has an even number of characters. For example, get_mid("way") should return "a" and get_mid("away") should return "wa".

Open the 11-u2a-toggle11 folder and edit StringWorker.java. Press Run to try it; Run Tests checks it (2 tests).