BCS 345: Java Programming CRN 21177, 25160 Spring 2018 Instructor: Dr. Jie Li Homework 4 _Wednesday, March 14 Due Sunday, April 1, 11:59PM on Blackboard Objectives To learn to de fine and implement classes and use classes and objects to manipulate data. Tasks: Write a Java program that will read student's ID, first name, last name, and 5 scores from an input file "hw4data.txt". calculates the average test score after the lowest test score is dropped, and then assigns a letter grade to student using the following grade scale 90