public class Box<T> { private T t; public void set(T t) { this.t = t; } public T get() { return t; } } After type erasure, the Java compiler converts the class to something like this: ...

To build an array list, you need to initialize it using our chosen data type, and then we can add each element individually using the add method. We also need to import ArrayList from the Java ...

When you initialize Java arrays with the new keyword, the size argument is of type int. The 32-bit Java int can go to a maximum of 2,147,483,647, so that is the theoretical maximum Java array size.

Developers must set array size to a positive integer. If a minus sign slips into the array size declaration, this throws the NegativeArraySizeException. String[] data = new String[-5]; // throws ...