Java does not actually require an explicit constructor in the class description. If you do not include a constructor, then the Java compiler will create a default constructor with an empty argument .11 Ağu 2016
Read moreCan I have class without constructor?
Answer: Yes, C# class without constructor is possible . In fact, we can have a class without any constructor in C#. If we don’t declare any constructors in a class, the compiler automatically provides a public parameter less constructor. And it is ok to instantiate the class without constructor.
Read moreWhat is default constructor?
A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values . If no user-defined constructor exists for a class A and one is needed, the compiler implicitly declares a default parameterless constructor A::A() .
Read moreWhy does Java need a default 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 moreWhat’s a default constructor in Java?
In both Java and C#, a “default constructor” refers to a nullary constructor that is automatically generated by the compiler if no constructors have been defined for the class . The default constructor implicitly calls the superclass’s nullary constructor, then executes an empty body.
Read moreDoes Java automatically create a default constructor?
Like C++, Java automatically creates default constructor if there is no default or parameterized constructor written by user , and (like C++) the default constructor automatically calls parent default constructor.10 Tem 2018
Read moreHow do you find a default constructor?
A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values. If no user-defined constructor exists for a class A and one is needed, the compiler implicitly declares a default parameterless constructor A::A() .
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