import java.util.Random;
public class Main
{
public static void main(String[] args) {
int n = 10;
Student students[] = new Student[n];
students[0] = new Student("Petrov", "A.I.", 1);
students[1] = new Student("Petrov", "B.I.", 1);
students[2] = new Student("Ivanov", "A.S..", 1);
students[3] = new Student("Pushkin", "A.S.", 2);
students[4] = new Student("Dostoevskii", "F.M.", 2);
students[5] = new Student("Shishkin", "I.I.", 3);
students[6] = new Student("Aivazovskii", "I.K.", 3);
students[7] = new Student("Mate", "V.V.", 3);
students[8] = new Student("Preobrazhenkii", "M.T.", 3);
students[9] = new Student("Solncev", "F.G.", 3);
Random rnd = new Random();
for (int i = 0; i < n; ++i) {
students[i].addGrade(rnd.nextInt(6) + 5);
students[i].addGrade(rnd.nextInt(6) + 5);
}
System.out.println("все студенты: ");
for (int i = 0; i < n; ++i) {
students[i].print();
}
System.out.println("хорошие студенты: ");
for (int i = 0; i < n; ++i) {
if (students[i].isGood())
students[i].print();
}
}
}
class Student {
private String name;
private String initials;
private int group;
private int grades[];
private int nGrades;
public Student(String name_, String initials_, int group_) {
name = name_;
initials = initials_;
nGrades = 0;
grades = new int[5];
}
boolean addGrade(int grade) {
if (nGrades >= 5) {
return false;
}
grades[nGrades] = grade;
nGrades++;
return true;
}
boolean isGood() {
for (int i = 0; i < nGrades; ++i)
if (grades[i] != 9 && grades[i] != 10)
return false;
return true;
}
void print() {
System.out.print(name + " " + initials);
System.out.print(". Group: " + Integer.toString(group) + ". Grades: ");
for (int i = 0; i < nGrades; ++i)
System.out.print(Integer.toString(grades[i]) + " ");
System.out.print("\n");
}
}
