To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics. In the above example, we already briefly explored a simpler ...

List<String> list = new ArrayList<>(); To go further, consider this code sample using the Java Collections API without polymorphism:. public class ...

Here is an example of how to access the size of a Java array in code: int [] exampleArray = {1,2,3,4,5}; int exampleArraySize = exampleArray. length; System. out.print(" This Java array size is:" + ...

As you can see in the following var examples, the left-hand side of the assignment does not reference a Java types such as long, double or ArrayList. Instead, it uses the Java var keyword, which ...