package java_base;
import java.util.ArrayList;
public class ArrayListTest {
public static void main(String[] args) {
// TODO Auto-generated method stub
ArrayList a1 = new ArrayList();
a1.add("78");
a1.add("3.14");
a1.add("China");
a1.add("America");
System.out.println(a1.get(1));
a1.remove(3);
System.out.println(a1.size());
for(String i:a1)
{
System.out.println(i);
}
System.out.println(a1);
for(int i = 0; i < a1.size(); i++)
{
System.out.println(a1.get(i));
}
}
}
/*
*foreach »¹ÊÇͦºÃÓÃµÄ Ö»ÊÇlist±íÖеÄÔªËØÐèҪʹÓ÷½·¨À´½øÐлñÈ¡ a1.get(index)
*/