public static void main(String args[]){
ArrayList<String> aa = new ArrayList<String>();
aa.add("123");
aa.add("234");
System.out.println a;
이거 왜안댐/>
public static void main(String args[]){
ArrayList<String> aa = new ArrayList<String>();
aa.add("123");
aa.add("234");
System.out.println a;
이거 왜안댐/>
System.out.println(aa);
ㅠㅠ