A constructor in Java is a special method that is used to initialize objects . The constructor is called when an object of a class is created.
Read moreWhat is a class constructor?
A class constructor is a special member function of a class that is executed whenever we create new objects of that class . A constructor will have exact same name as the class and it does not have any return type at all, not even void.
Read moreDoes a Java class need a constructor?
Java doesn’t require a constructor when we create a class . However, it’s important to know what happens under the hood when no constructors are explicitly defined. The compiler automatically provides a public no-argument constructor for any class without constructors. This is called the default constructor.
Read moreWhy are constructors used?
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 moreWhat is a constructor in Java with example?
A constructor in Java is similar to a method that is invoked when an object of the class is created . Unlike Java methods, a constructor has the same name as that of the class and does not have any return type. For example, class Test { Test() { // constructor body } } Here, Test() is a constructor.
Read moreWhy constructor is used in Java?
A Java constructor is special method that is called when an object is instantiated. In other words, when you use the new keyword. The purpose of a Java constructor is to initializes the newly created object before it is used . This Java constructors tutorial will explore Java constructors in more detail.9 Mar 2021
Read more