arraylist declare 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 a new arraylist java

ArrayList<Type> name = new ArrayList<Type>();

Example 3: java declare arraylist with int values

ArrayList<Integer> numbers = new ArrayList<>(Arrays. asList(1, 2, 3, 4, 5, 6));

Example 4: java arraylist declaration

ArrayList<E> yourArray = new ArrayList<E>();

//'E' can be raplaced with any data type or object, or left as 
// E if used for general funcitonality