One of the benefits of using a constructor over a method is that you can be assured the constructor was called and the work within the constructor was performed . The language specifies that to construct an object a constructor must be called.
Read moreWhy constructor is used for?
We use constructors to initialize the object with the default or initial state . The default values for primitives may not be what are you looking for. Another reason to use constructor is that it informs about dependencies.
Read moreWhy constructor is used instead of methods?
The most important difference: When you instantiate an object it’s constructor will be invoked whereas calling a method is always optional . You therefore might forget to call your initialization method and fail to initialize everything correctly.17 Mar 2012
Read moreWhat is the purpose of using constructors?
The purpose of constructor is to initialize the object of a class while the purpose of a method is to perform a task by executing java code. Constructors cannot be abstract, final, static and synchronised while methods can be.
Read moreWhat are the advantages of using constructors?
Benefits of Constructor Overloading in Java The constructor overloading enables the accomplishment of static polymorphism . The class instances can be initialized in several ways with the use of constructor overloading. It facilitates the process of defining multiple constructors in a class with unique signatures.
Read moreWhy do we need constructors?
A constructor is a special method of a class that initializes new objects or instances of the class. Without a constructor, you can’t create instances of the class . Imagine that you could create a class that represents files, but without constructors, you couldn’t create any files based on the class.
Read moreWhat is the difference between constructor and methods?
Constructor is used to initialize an object whereas method is used to exhibits functionality of an object . Constructors are invoked implicitly whereas methods are invoked explicitly. Constructor does not return any value where the method may/may not return a value.
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