arraylist package java code example
Example 1: java arraylist
import java.util.List;
import java.util.ArrayList;
List l = new ArrayList();
ArrayList a = new ArrayList();
List<String> l = new ArrayList<String>();
ArrayList<Integer> a = new ArrayList<Integer>();
List<Double> l = new ArrayList<Double>(5);
Example 2: arraylist java methds
import java.util.ArrayList;
ArrayList<Integer> myList = new ArrayList<Integer>();
myList.add(0);
myList.remove(0);
myList.size();
myList.get(0);
Example 3: arraylist in java
Size is dynamic
Only supports objects
not syncronized
array based class