I have a class, say TextHolder, that overrides Object.equals() to return true if both strings in each object are equal - <tt>new TextHolder("Hello World!").equals(new ...

In Java, arrays and arraylists both can be used to store data. However, their functions and purposes are quite different. First of all, arrays are immutable in size, meaning that, once created, they ...

I have two different arraylists that contain different type of object, lets just say objects of type A in one arraylist and objects of type B in the other arraylist. I pass either arraylist to this ...