Java Code LIST ADD

package currentos;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


public class myList {
   
      public static void main(String[] args) throws IOException {
        myList x=new myList();
        x.mlist();
    }
   
     
  void mlist(){
    List listA = new ArrayList();

    listA.add("element 1");
    listA.add("element 2");
    listA.add("element 3");
    listA.add(2, "element 0");//insert

int size = listA.size();
System.out.println("JUM:"+size);
 System.out.println("+++++++++++++++++++++++++");
 
    //access via index
String element0 = String.valueOf(listA.get(0));
String element1 = String.valueOf(listA.get(1));
String element2 = String.valueOf(listA.get(2));
String element3 = String.valueOf(listA.get(3));

System.out.println("E0L-"+element0);
System.out.println("EL1-"+element1);
System.out.println("EL2-"+element2);
System.out.println("EL3-"+element3);
System.out.println("+++++++++++++++++++++++++");

//access via Iterator
Iterator iterator = listA.iterator();
while(iterator.hasNext()){
  String element = (String) iterator.next();
  System.out.println("IT-"+element);
}
System.out.println("+++++++++++++++++++++++++");



for(Object object : listA) {
    String element = (String) object;
     System.out.println("OBJ-"+element);
}
System.out.println("+++++++++++++++++++++++++");

listA.clear();


  }   
}

========================

run:

JUM:4

+++++++++++++++++++++++++

E0L-element 1

EL1-element 2

EL2-element 0

EL3-element 3

+++++++++++++++++++++++++

IT-element 1

IT-element 2

IT-element 0

IT-element 3

+++++++++++++++++++++++++

OBJ-element 1

OBJ-element 2

OBJ-element 0

OBJ-element 3

+++++++++++++++++++++++++

BUILD SUCCESSFUL (total time: 0 seconds)