Notice the capitalized name, indicating that it's a constructor function. Also we can use the method Object. Powered by W3. The following example shows you how to instantiate new objects using the default constructor and by passing arguments to another constructor:.
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We share the same class: true. This code can be interpreted both as extending the Thread class with the specified implementation of the run method, and the instantiation of the Thread class by passing to its constructor an object that implenents the Runnable interface for more information, see Implementing Java Interfaces. Here a function createHero is being defined, which returns an object which has a function fly.
When we write our code using objects to represent entities, that's called object-oriented programming, There's no syntax error in the following example.
Also, we could use another variable name here instead of key. But if we pass functions around, what happens to the meaning of the this keyword?
The similar thing as 3to the left of the dot. Complete beginners start here! When an object variable is copied — the reference is copied, the object is not duplicated.
To tell the truth, the notations are not fully identical.