Other downlevel compilers generally have the same limitation by default. However, there is no way to ensure a value for new.target when invoking a constructor in ECMAScript 5. All Java classes have special methods called constructors that are used to initialize a new object of that type.

(The classes Method and Constructor extend the class Executable and therefore inherit the method Executable.getParameters.)However. And, of course, a method needs a return type (void, int, String. You can obtain the names of the formal parameters of any method or constructor with the method .getParameters. If they don't share name, then there is not a constructor, is a method. Im not sure why, because in a method for a different game that I got from my teacher, he uses the same code and it works. 4 Answers Sorted by: 0 A constructor must have the class name.

Here is the code for it: However, it gives me a 'return type required error' on line 8. The name of the constructor must be the same as the name of the class in which it is defined. This is due to the fact that constructor functions for Error, Array, and the like use ECMAScript 6’s new.target to adjust the prototype chain Ok, so Im trying to make a constructor for a text-based game for a monster. A constructor does not have any return type (not even void). It is necessary for generated constructor code to capture any potential return value of super(.) and replace it with this.Īs a result, subclassing Error, Array, and others may no longer work as expected. What is the return type of Constructors a) int. In ES2015, constructors which return an object implicitly substitute the value of this for any callers of super(.). This section of our 1000+ Java MCQs focuses constructors and garbage collection of Java Programming Language. or your compilation target is explicitly set to ES6/ ES2015 or above, you may skip this section Note: If you don’t plan to inherit from built-in types like Array, Error, Map, etc. This means that the base class constructor saw its own value for name during its own constructor, because the derived class field initializations hadn’t run yet. The derived class fields are initialized.The order of class initialization, as defined by JavaScript, is:

Java constructor return type