creating an arraylist in java code example
Example 1: how to define an arraylist in java
ArrayList<Integer> integerArray = new ArrayList<Integer>();
ArrayList<String> integerArray = new ArrayList<String>();
ArrayList<Double> integerArray = new ArrayList<Double>();
//... keep replacing what is inside the <> with the appropriate
//data type
Example 2: how to make an arraylist java
ArrayList<Integer> integerArray = new ArrayList<Integer>();
ArrayList<String> stringArray = new ArrayList<String>();
ArrayList<Double> doubleArray = new ArrayList<Double>();
//... keep replacing what is inside the <> with the appropriate
//data type
Example 3: java how to create arraylist
import java.util.ArrayList;
//create ArrayList
ArrayList<String> arrayList = new ArrayList<String>();
Example 4: how to declare array of arraylist in java
List<List<Individual>> group = new ArrayList<List<Individual>>(4);
Example 5: java make arraylist
//Create the Arraylist variable: . Replace the T with the type of
//data to be stored in the list.
ArrayList<T> exampleList = new ArrayList<>();
//You can now perform operations on this ArrayList