ArrayLists and Wrapper Classes in Java An array is a numbered sequence of elements, where each element is a variable. These variables can contain primitive values, or they can be reference variables ...

Java Wrapper Classes Java wrapper classes provide a way to use primitive data types as objects. The eight primitive data types in Java (byte, short, int, long, float, double, char, and boolean) have ...

Java provides wrapper classes for each of the primitive types. The wrapper classes can be used to create objects from the primitive types. These are the wrapper classes for the corresponding primitive ...

The Vector class implements a growable array of objects. One can access the components using an integer index. But the size of the Vector can grow or shrink. Each Vector object has a capacity and a ...