1. Write Java code that will change the value of myary[4] to 100.

2. Write the code for a char array that will hold the letter grade for the entire online grading scheme:

3. What is the value of x after x = myary.length

4. Write code to declare a 2D integer array myary1 which has 3 columns and 4 rows

5. Write code to initialize myary1 beginning with myary1[0][0] = 1 and adding one for each subsequent array location.

6. What does the class/object Integer.parseInt() do?