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import java.util.ArrayList;

class ArrayList4

{

public static void main(String[] args)

{

ArrayList<String> obj=new ArrayList<String>();

obj.add("Avnish");

obj.add("yadav");

obj.add("Sunny");

obj.add("Manish");

obj.set(0,"Array");

obj.remove(0);

for(String str:obj)

{

System.out.println(str);

}

System.out.println(obj.size());

System.out.println(obj.get(0));

}