Public? Class? JavaArrayList{?
Public? Static electricity Invalid? main(String[]args)?
{//Initialization of Java Dynamic Array
Array list? al=new? ArrayList();
//Add the data al.add(a) to the Java dynamic array; al . add(b); al . add(c); //output Java dynamic array
for(int? I = 0; I & ltal. size (); i++)?
{?
String? alEach =(String)al . get(I);
system . out . println(alEach); ?
}//Delete one element in the array and delete the second element.
al . remove( 1);
//Modify the Java dynamic array and put the new elements in the second position.
al.add( 1,2);
//output Java dynamic array