help in java

1. Team Roster Create a program called TeamRoster that uses a class called Roster. Roster should contain a team name and the names of all the players on the team written into one string. Use a method called addTeamMember() to append a new member to your roster string. After creating two rosters with more than 5 members.You should indicate the total number of members in each group near the bottom and label each person with an index (e.g. 1,2,3...), print out the team names and their rosters as show below:

Instructors 1. Aalaa 2. Maha 3. Lamar 4. Sahar 5. Nouf 6. Basma 7. Al-anood Total Members: 7

Students 1. Student 1 2. Student 2 3. Student 3 4. Student 4 5. Student 5 Total Members: 5 or help me on this pleas.. 7. Gross And Dozens Design and implement a class called GrossAndDozens to convert a given number of eggs into the number of gross, the number of dozens, and to the number of left over eggs. If you have N eggs, then you have N/12 dozen eggs, with N%12 eggs left. Write a program that asks the user how many eggs he has and then tells the user how many dozen eggs he has and how many extra eggs are left over. A gross of eggs is equal to 144 eggs. Extend your program so that it will tell the user how many gross, how many dozen, and how many left over eggs he has. For example, if the user says that he has 1342 eggs, then your program would respond with

                 Your number of eggs is 9 gross, 3 dozen, and 10

since 1342 is equal to 9144 + 312 + 10.