Answers needed in Java format

1. (30 points) Write a complete program that reads three test scores from the user and prints the student's final grade, assuming that the first test is woth 30% of the final grade, the second test is also worth 30%, and the third test is worth 40% of the final grade. You do not need to include Javadoc comments. 2. (30 points) Write a method that accepts two parameters: a word and a number of characters It should print every substring of that many characters, each on its own line. You do not need to include Javadoc comments. For example, if the actual parameters were "homework" and 3, you would print this om ome mew ewo wor ork 3. (21 points) Write a method that calculates and returns the value of an investment after a number of years, assuming that interest is compounded only at the end of each year. Your method will need the following parameters: . The initial amount of money invested The interest rate . The number of years you will be holding the investment You can use the formula value = investment * (1 comment rate)years. You must include a Javadoc