base a declares a variable a of type base and calls its default constructor (assuming it’s not a builtin type). base a(); declares a function a that takes no parameters and returns type base .
Read moreHow do you create a default constructor in Java?
If we do not create any constructor, the Java compiler automatically create a no-arg constructor during the execution of the program. This constructor is called default constructor. … Example 5: Default Constructor. TypeDefault ValueobjectReference nullJava Constructors (With Examples) – Programiz www.programiz.com › java-programming › constructors
Read moreHow does a default constructor work?
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 .
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