ArrayList set(int index E element) method in java

import java.util.ArrayList; public class ArrayListGetExample { public static void main(String[] args) { ArrayList<String> al = new ArrayList<String>(); al.add("lion"); al.add("tiger"); al.add("deer"); al.add("cheetah"); al.add("elephant"); al.add("fox"); al.add("hyenas"); al.add("jackal"); System.out.println("Get second element of ArrayList: " + al.get(1)); System.out.println("Get third element of ArrayList: " + al.get(2)); System.out.println("Get fifth element of ArrayList: " + al.get(4)); System.out.println("Get sixth element of ArrayList: " + al.get(5)); } }

example on ArrayList set(int index, E element) method for IndexOutOfBoundsException
import java.util.ArrayList;
public class ArrayListSetMethodExample
{
   public static void main(String[] args)
   {
      try
      {
         ArrayList<Integer> al = new ArrayList<Integer>();
         al.add(36);
         al.add(23);
         al.add(39);
         al.add(69);
         al.add(56);
         System.out.println("ArrayList before using set() method: " + al);
         // replace number at the index 7 with 25
         System.out.println("Trying to replace the element at index greater than capacity: ");
         int num = al.set(7, 25);
         // printing modified ArrayList
         System.out.println("ArrayList after using set() method: " + al);
         // printing replaced element
         System.out.println("Replaced number: " + num);
      }
      catch(IndexOutOfBoundsException ex)
      {
         System.out.println("Exception: " + ex);
      }
   }
}

Posted by: Guest on October-28-2020

Source

import java.util.ArrayList; public class ArrayListSetMethodExample { public static void main(String[] args) { ArrayList<String> names = new ArrayList<String>(5); names.add("vinay"); names.add("ajay"); names.add("vijay"); names.add("bharat"); names.add("dinesh"); System.out.println("ArrayList before using set() method: " + names); // change vijay name to chandan System.out.println("ArrayList after using set() method: "); names.set(2, new String("chandan")); for(int a = 0; a < 5; a++) { System.out.println(names.get(a).toString()); } } }

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