what is the return type of a method that returns nothing? course hero

by Rocio Hand 4 min read

What is the return type of a method that returns nothing?

Any method declared void doesn't return a value. It does not need to contain a return statement, but it may do so.

What is the return type of a method that does not return any value Intfloatvoiddouble?

What is the return type of a method that does not returns any value? a) intb) floatc) voidd) doubleView AnswerAnswer: cExplanation: Return type of an method must be made void if it is not returning any value.

What is a constructor's return type?

A constructor doesn't have any return type. The data type of the value retuned by a method may vary, return type of a method indicates this value. A constructor doesn't return any values explicitly, it returns the instance of the class to which it belongs.

What is the implicit return type of constructor?

However, as the definition of Constructor goes, it is used to initialize an object of the class. So implicitly, they return the current instance of the class whose constructor it is. Therefore, Implicit return type of a class constructor is class type itself.

What is the return type () method?

In computer programming, the return type (or result type) defines and constrains the data type of the value returned from a subroutine or method. In many programming languages (especially statically-typed programming languages such as C, C++, Java) the return type must be explicitly specified when declaring a function.

What is the return type open method?

a bool value9. What is the return type open() method? Explanation: open() method returns a bool value indicating whether the file is opened or some error has occurred. 10.

Is constructor return type void?

Constructor is not like any ordinary method or function, it has no return type, thus it does not return void. Constructors don't create objects.

Why constructor has no return type?

No, constructor does not have any return type in Java. Constructor looks like method but it is not. It does not have a return type and its name is same as the class name. Mostly it is used to instantiate the instance variables of a class.

What is the return type in Java?

A return statement causes the program control to transfer back to the caller of a method. Every method in Java is declared with a return type and it is mandatory for all java methods. A return type may be a primitive type like int, float, double, a reference type or void type(returns nothing).

What is the implicit return type of constructor * No return type a class object in which it is defined void none?

The Implicit return type of constructor is void.

What is return type of constructor Mcq?

Explanation: Constructors does not have any return type, not even void.

What is the return type of the constructor method in Java?

Therefore, the return type of a constructor in Java and JVM is void.

What happens to a method's local variables?

A method's local variables exist only while the method is executing. This is known as the lifetime of a local variable. When the method begins, its local variables and its parameter variables are created in memory, and when the method ends, the local variables and parameter variables are destroyed. This means that any value stored in ...

What happens if a parameter variable is changed inside a method?

If a parameter variable is changed inside a method, it has no effect on the original argument.

Can two methods have the same name?

True or False: No two methods in the same program can have a local variable with the same name. True or False: It is possible for one method to access a local variable that is declared in another method. True or False: You must have a return statement in a value-returning method.

image