Q) What is the purpose of a default constructor? The default constructor is used to provide the default values to the object like 0, null, etc. , depending on the type.
Read moreWhat does default constructor do?
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 moreWhat is the purpose of default constructor in C#?
A constructor with no parameters is called a default constructor. A default constructor has every instance of the class to be initialized to the same values. The default constructor initializes all numeric fields to zero and all string and object fields to null inside a class .
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.
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