arraylist get first element code example

Example 1: java last element in array

arrayName[arrayName.length() - 1];

Example 2: find last element in array in java

firstNum = numbers.get(0);
lastNum = numbers.get(numbers.size() - 1);

Example 3: arraylist get last

E e = list.get(list.size() - 1);

Example 4: java list get first element

list.get(0);

Example 5: java get first element from arraylist

import java.util.ArrayList;
public class FirstandLastElemets{
   public static void main(String[] args){
      ArrayList<String> list = new ArrayList<String>();
      //Instantiating an ArrayList object
      list.add("JavaFX");
      list.add("Java");
      list.add("WebGL");
      list.add("OpenCV");
      list.add("OpenNLP");
      list.add("JOGL");
      list.add("Hadoop");
      list.add("HBase");
      list.add("Flume");
      list.add("Mahout");
      list.add("Impala");
      System.out.println("Contents of the Array List: \n"+list);
      //Removing the sub list
      System.out.println("First element of the array list: "+list.get(0));
      System.out.println("Last element of the array list: "+list.get(list.size()-1));
   }
}

Example 6: java list get first element

!list_or_set.isEmpty()