How to create an array of Object of some type?

Question

What's syntax for creating an array of Objects of some class type?

Object<SomeClassType<T>>[] array?

Object[] perhaps? Object is "the parent class". I don't understand what are you exactly trying to do. — Shondeslitch, Nov 07 '15 at 22:38
Generic array creation is not allowed. Rather than a `List[]` you should use a `List>` or a `String[][]`. — Paul Boddington, Nov 07 '15 at 22:40
`java.lang.Object` does not take any type parameters. Do you mean some other kind of `Object` type here? — Daniel Pryden, Nov 07 '15 at 22:42

score 1 · Answer 1 · answered Nov 07 '15 at 22:55

Creating an array of a generic type is not allowed, but what you can do, is creating one with wildcard and casting it. The cast will give you a warning, but as the array only contains nulls by default, it can be done safely.

@SuppressWarnings("unchecked")
Object<SomeClassType<T>>[] array = (Object<SomeClassType<T>>[]) new Object<?>[length]

score 0 · Answer 2 · edited Nov 08 '15 at 00:19

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I would say something like this would allow you to create an array.

String[] testArray = new String[3];
testArray[0] = "one";
testArray[1] = "two";
testArray[2] = "three";

String[] testArray = {"one","two","three"};

edited Nov 08 '15 at 00:19

Mykola

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answered Nov 07 '15 at 22:42

mooseshaped

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score 0 · Answer 3 · answered Nov 07 '15 at 22:57

A number of ways to declare an array of objects of some class type. For example,

1. MyClass[] myArray = new MyClass[# of elements];

Then initialize each as, myArray[0] = new MyClass();, myArray[1] = new MyClass(), etc.. or via a for-loop

2. MyClass[] myArray = {new MyClass(), new MyClass(), ...};

How to create an array of Object of some type?

3 Answers3