java last element in array
arrayName[arrayName.length() - 1];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));
}
}java list get first element
set.iterator().next();Copyright © 2021 Codeinu
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