public class Student { private String lastName; private double gpa;

public Student(String lName, double gpa) { this.gpa = gpa; lastName = lName; }

public Student(Student other) { this(other.lastName, other.gpa); } public double getGPA() { return gpa; } public String getName() { return lastName; } public String toString() { return String.format("%10s %5.2f", lastName, gpa); } }

public class StudentBody { public ArrayList students; public StudentBody() { students = new ArrayList(); } public void addStudent(Student s) { students.add(new Student(s)); } // returns an unsorted list of student names that are on probation (i.e., GPA < 2.0) public ArrayList warningList() { // FILL THIS IN

} // Returns a list of students, sorted by GPA. If two students have equivalent GPAs // the shorter name should go first. Do not change the order in the data member students. public ArrayList summary() { // FILL THIS IN

} }