As demonstrated in the Arrays section of the Java Tutorials, the System class provides an arraycopy method that can be used to copy the contents from one array into another. The method below shows ...

We then use the application class loader to load the java.util.ArrayList class. If the class is found and loaded successfully, we print its name to the console.

The Java array class offers a simple to use function for this approach. If we want to increase the capacity of our numbers array from 10 to 20 we can use the following code: numbers = Arrays ...

Right-click the Java file you want to edit and select "Open With." Click your Java compiler to open the code in the editor. Add the "Random" class library to the top of the source code file.