import java.util.Arrays;

import java.util.Comparator;

public class SortInJava {

public static void main(String[] args) {

//sắp xếp mảng số nguyên

int [] nums = {3,6,1,6,2,7,4};

Arrays.sort(nums);

System.out.println(Arrays.toString(nums));

//Sắp xếp mảng chuỗi

String [] str = {"Java", "HTML", "Ruby", "CSS", "C++"};

Arrays.sort(str);

System.out.println(Arrays.toString(str));

Student []students = new Student[5];

students[0] = new Student("KKK", 21);

students[1] = new Student("EEE", 27);

students[2] = new Student("CCC", 25);

students[3] = new Student("AAA", 19);

students[4] = new Student("HHH", 24);

//Sử dụng interface Comparable sắp xếp theo tên

Arrays.sort(students);

System.out.println("Danh sách sắp xếp theo tên: ");

for (Student student : students) {

System.out.println(student);

}

//Sử dụng comparator để sắp xếp theo tuôir

Arrays.sort(students, new Comparator<Student>(){

@Override

public int compare(Student o1, Student o2) {

// TODO Auto-generated method stub

return o1.getAge() - o2.getAge();

}

});

System.out.println("Danh sách sắp xếp theo tuổi: ");

for (Student student : students) {

System.out.println(student);

}

}

}