1. . program an 'Employee' class having the following methods and print the final salary. 1 - 'getInfo()' which takes the salary, number of hours of work per day of employee as parameter 2 - 'AddSal()' which adds $10 to salary of the employee if it is less than $500. 3 - 'AddWork()' which adds $5 to salary of employee if the number of hours of work per day is more than 6 hours. 2. . class called 'Matrix' containing constructor that initializes the number of rows and number of columns of a new Matrix object. The Matrix class has the following information: 1 - number of rows of matrix 2 - number of columns of matrix 3 - elements of matrix in the form of 2D array 3. The Matrix class has methods for each of the following: 1 - get the number of rows 2 - get the number of columns 3 - set the elements of the matrix at given position (i,j) 4 - adding two matrices. If the matrices are not addable, "Matrices cannot be added" will be displayed. 5 - multiplying the two matrices