arraylist in java 8 code example
Example 1: java arraylist
import java.util.List; //list abstract class
import java.util.ArrayList; //arraylist class
//Object Lists
List l = new ArrayList();
ArrayList a = new ArrayList();
//Specialized List
List l = new ArrayList();
ArrayList a = new ArrayList();
//only reference data types allowed in brackets <>
//Initial Capacity
List l = new ArrayList(5);
//list will start with a capacity of 5
//saves allocation times
Example 2: arraylist java methds
import java.util.ArrayList;
ArrayList myList = new ArrayList();
myList.add(0);
myList.remove(0);//Remove at index 0
myList.size();
myList.get(0);//Return element at index 0