구로자바학원 추천 교육자료] 벡터(Vector) 사용 예(2) - 2

벡터(Vector) 사용 예(2)

import java.util.*;

public class StudentVectorTest {

public static void main(String[] args) {

Vector v=new Vector();     //capacity 10 increasing *2

      //Vector v=new Vector(5);  //capacity 5 increasing *2

      //Vector v=new Vector(5,5);//capacity 5 increasing 5

      v.add(new Student("Jee",1,"Seoul"));//0

      v.clear();//모두 제거

​

      v.add(new Student("Gong",2,"Seoul"));//1

      v.add(new Student("Song",3,"Seoul"));//2

      v.add(new Student("Lee",4,"Koyang"));//3

      v.add(new Student("Lee",4,"Koyang"));//3과 중복허용

      System.out.println(v.size()+"  "+v.capacity());

      System.out.println(v.contains(new Student("Lee",25,"Koyang")));

     Student stu=(Student)v.elementAt(2);//index는 0부터

      System.out.println(stu.getId()+"  "+stu.getName()+"

 "+stu.getAddr());

      //모든 elements 출력하기

      Enumeration enums=v.elements();

      while(enums.hasMoreElements()){

      Student stus=(Student)enums.nextElement() ;

      System.out.println(stus.getId()+"  "+stus.getName()+"  "+

                              stus.getAddr());

     }

}

}