1. Write Java statements to accomplish each of the following tasks a. Declare variable sum of type int and initialize it with 0 b. Print passed' if a grade variable is greater than or equal to 50, and failed' if the grade is les than 50 c. Add variable x to variable sum, and assign the result to variable sum 2. What does the following statement do? (Explain in English) System.out.println(x21 "Odd" "Even" 3. Develop a Java application that calculates and prints the sum of the integers from to 10. Use a while statement to loop through the calculation and increment statements. 4. What is the result of executing this program? public class Mystery2 public static void main( String[] args ) int count = 1; while count