Activity 2 Create a class named IbArrayActTwo_ with given elements (see below). The java program should display the elements as students' score in tabular form. Compute and print the average score. Matthew Caleb Joshua Math Science English 85 80 90 95 75 84 81 89 87 Average ? ? ? Q2: Follow the instruction to print results (4 points): (1) Print name, class, salary of each professor; (2) Print name, class, grade of each student; (3) Calculate the difference of two professors' salary. (4) Calculate the total grade of two students. Sample output: Professor Alice teaches Java, and the salary is 9000 Professor Bob teaches Math, and the salary is 8000 Student Lisa enrolls Java, and the grade is 90 Student Bob enrolls Math, and the grade is 80 The salary difference between Alice and Bob is: 1000 The total grade of Lisa and Bob is: 170