Ex12_2 코드
package org.javaro.lecture;
import java.util.*;
public class Ex12_2 {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("조병수-20191121-콜렉션과 제너릭");
ArrayList arrayList = new ArrayList();
arrayList.add("first");
arrayList.add("second");
arrayList.add("third");
for(int i = 0; i
실행창
