public int compare(Object o1, Object o2) {
Student s1 = (Student) o1;
Student s2 = (Student) o2;
if (s1.getName().compareTo(s2.getName()) < 0) return -1;
else if (s1.getName().compareTo(s2.getName()) > 0) {
return 1;
}
return 0;
}
public int compare(Object o1, Object o2) {
Student s1 = (Student) o1;
Student s2 = (Student) o2;
if (s1.getAge() > s2.getAge()) return 1;
else if (s1.getAge() == s2.getAge()) {
return 0;
}
return -1;
}
public static void main(String[] args) {
Student zlj = new Student("¶¡ÏþÓî", 21);
Student dxy = new Student("ÕÔËÄ", 22);
Student cjc = new Student("ÕÅÈý", 11);
Student lgc = new Student("ÁõÎä", 19);
List<Student> studentList = new ArrayList<Student>();
studentList.add(zlj);
studentList.add(dxy);
studentList.add(cjc);
studentList.add(lgc);
System.out.println("°´ÕÕÄêýgÅÅÐò£º");
Collections.sort(studentList, new SortByAge());
for (Student student : studentList) {
System.out.println(student.getName() + " / " + student.getAge());
}
System.out.println(" ========= ");
System.out.println("°´ÕÕÐÕÃûÅÅÐò");
Collections.sort(studentList, new SortByName());
for (Student student : studentList) {
System.out.println(student.getName() + " / " + student.getAge());
}
}
