In Java, how do I dynamically determine the type of an array?

Question

Object o = new Long[0]
System.out.println( o.getClass().isArray() )
System.out.println( o.getClass().getName() )
Class ofArray = ???

Running the fi

Answer 1

Just write

Class ofArray = o.getClass().getComponentType();

From the JavaDoc:

public Class getComponentType()

Returns the Class representing the component type of an array. If this class does not represent an array class this method returns null.