arraylist declare java code example

Example 1: how to make an arraylist java

ArrayList integerArray = new ArrayList();
ArrayList stringArray = new ArrayList();
ArrayList doubleArray = new ArrayList();
//... keep replacing what is inside the <> with the appropriate
//data type

Example 2: java how to create arraylist

import java.util.ArrayList;
//create ArrayList
ArrayList arrayList = new ArrayList();

Example 3: java make arraylist

//Create the Arraylist variable: . Replace the T with the type of 
//data to be stored in the list.
ArrayList exampleList = new ArrayList<>();
//You can now perform operations on this ArrayList