ArrayList存储学生对象并遍历
主类(1)
package Com;
import java.util.ArrayList;
public class Demon1 {
public static void main(String[] args){
Student s = new Student("胸大",20);
Student s2 = new Student("熊二",21);
Student s3= new Student("光头强",22);
ArrayList<Student> a=new ArrayList<>();
a.add(s);
a.add(s2);
a.add(s3);
for (int i = 0; i < a.size(); i++) {
Student s4=a.get(i);
System.out.println(s4.getName()+","+s4.getAge());
}
}
}
主类(2)
package Com;
import java.util.ArrayList;
public class Demon1 {
public static void main(String[] args){
Student s = new Student();
Student s2 = new Student();
Student s3= new Student();
s.setName("胸大");
s.setAge(20);
s2.setName("熊二");
s2.setAge(21);
s3.setName("光头强");
s3.setAge(23);
ArrayList<Student> a=new ArrayList<>();
a.add(s);
a.add(s2);
a.add(s3);
for (int i = 0; i < a.size(); i++) {
Student s4=a.get(i);
System.out.println(s4.getName()+","+s4.getAge());
}
}
}
学生类
package Com;
public class Student {
public String name;
public int age;
public Student(String name, int age) {
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
}