public class ArrayListTest {
public static void main(String[] args) {
Random random = new Random();
ArrayList<Integer> list = new ArrayList<>();
for (int i = 0; i < 6; i++) {
int r = random.nextInt(33) + 1;
list.add(r);
}
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
}
public class ArrayListTest2 {
public static void main(String[ ] args) {
//创建集合对象
ArrayList<Student> list = new ArrayList<Student>() ;
//创建学生对象
Student s1 = new Student("赵丽颖", 18) ;
Student s2 = new Student("唐嫣", 20) ;
Student s3 = new Student("景甜", 25) ;
Student s4 = new Student("柳岩", 19) ;
//把学生对象作为元素添加到集合中
list.add(s1) ;
list.add(s2) ;
list.add(s3) ;
list.add(s4) ;
//遍历集合
for(int x = 0; x < list. size() ; x++) {
Student s = list. get(x) ;
System.out.println(s.getName() +"‐‐‐"+s.getAge() ) ;
}
}
}