Does memory need to be explicitly allocated to all objects (Java)?

Answer You must explicitly allocate memory for it with the statement:thisBook = new Book();otherwise you have only declared a null reference of type Book.

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How will you free the allocated memory ?

Help with objects in java?

Yes, that's right, assuming that computer is a class object declared in another class representing the computer class. You can then use the class object you declared to access the variables within ... Read More »

Java- array of objects?

Ok, mostly what you need to do is decide what information needs to be stored for each state. You create a class named State just as the example below shows a Bicycle class, except that the State cl... Read More »

Can you please explain classes and objects in java?

Classes define objects. An object is a defined set of data and a set of methods that can be applied to that data. See below.