please write this program by JAVA

In this lab, the following topic will be covered: 1. Selections 2. Loops Task Write a program that finds the GPA of a student. First read the number of courses. Then read the letter grades and credit hours. Letter grades are A+,A,B+,B,C+C,D+,D, and F. Their numeric values are 4.0,3.75,3.5,3.0,2.5,2.0,1.5,1.0, and 0.0. Here is sample run: How many courses? 3 Enter letter grade, credit hours for 3 courses: A+3 B 4 A 2 GPA=3.5