Remove an element from Collection using Iterator - Java Collection Framework

Java examples for Collection Framework:Iterator

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Description

Remove an element from Collection using Iterator

Demo Code


import java.util.Iterator;
import java.util.ArrayList;
 
public class Main {
 
  public static void main(String[] args) {
    ArrayList aList = new ArrayList();
   /*  w ww  . j a va  2  s  . com*/
    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("5");
   
   
    System.out.println("ArrayList before removal : ");
    for(int i=0; i< aList.size(); i++)
      System.out.println(aList.get(i));
     
    Iterator itr = aList.iterator();
   
    String strElement = "";
    while(itr.hasNext()){
      strElement = (String)itr.next();
      if(strElement.equals("2"))
      {
        itr.remove();
        break;
      }
    }
   
    System.out.println("ArrayList after removal : ");
    for(int i=0; i< aList.size(); i++)
      System.out.println(aList.get(i));
  }
}

Result


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