You cannot return a value from a method that is by definition empty, ie it does not return a value. Basically, when you see a return statement in a void method, it means that it terminates the current method and returns processing to the caller.
Can you return a void function?
A void function cannot return a value. But we can use the return statement. It indicates that the function has ended. 2
What does void return in Java?
A void return type simply means nothing is returned. …println returns nothing because it just prints the string passed as a parameter. 9
Can you return a function in Java?
The Java return keyword is used to terminate execution of a method. The return followed by the appropriate value returned to the caller. This value depends on the return type of the method because the int method always returns an integer value.
What is the void function in Java?
void means this method does not return a value. Methods can return a single value in Java and this must be defined in the method declaration. However, you can only use return to exit the method. This method does not accept arguments, but of course Java methods can also accept arguments, see later.
Is the return type null?
______________ have the return type void. Explanation: The constructor creates an object and the destructor destroys the object. You shouldn’t return anything, not even void . … Explanation: There are no empty objects.
What is an empty function?
Void functions are created and used like functions that return values, except they don’t return a value after the function has been executed. Instead of a data type, void functions use the void keyword. A void function performs a task and then returns control to the caller, but does not return a value.
How to fix missing return in Java?
To fix the missing return statement error, we just need to add the return statement to the method, just like in the first case. So we return a value of the same type that we used before the name, like this: public static String checkNumber( int number) {
What is the return statement in Java for?
A return statement causes control of the program to be transferred to the caller of a method. Every method in Java is declared with a return type and is required for all Java methods. A return type can be a primitive type such as int, float, double, a reference type, or a void type (returns nothing).
What is the void method?
The void keyword indicates that a method should not have a return value.
Is private a keyword in Java?
private is a Java keyword that declares member access private. That is, the element is visible only from within the class, not from any other class (including subclasses). Private member visibility extends to nested classes.