Minh họa cách cài đặt ArrayList trong Java
package demoArrayList;
import java.util.*;
class student {
int id;
String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
void input() {
Scanner objSc = new Scanner(System.in);
System.out.print("id:");
this.setId(objSc.nextInt());
objSc.nextLine();
System.out.print("Name:");
this.setName(objSc.nextLine());
}
void output() {
System.out.println("id " + " " + this.getId() + "Name: " + " " + this.getName());
}
}
public class demo {
public static void main(String[] args) {
ArrayList<student> list = new ArrayList<student>();
student st[] = new student[3];
for(int i =0;i<st.length;i++) {
st[i] = new student();
st[i].input();
list.add(st[i]);
}
for(int i=0;i<list.size();i++) {
list.get(i).output();
}
}
}
Trương Đình Huy