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Which method return type returns a value?
You declare a method’s return type in its method declaration. Within the body of the method, you use the return statement to return the value. Any method declared void doesn’t return a value.
What is the type of return value?
A return value can be any one of the four variable types: handle, integer, object, or string.
What is the return type of a method?
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).
Which type returns no value?
void
Within the body of the method, you use the return statement to return the value. Any method declared void doesn’t return a value. It does not need to contain a return statement, but it may do so.
How many values can a method return?
You can return only one value in Java. If needed you can return multiple values using array or an object.
Should main always return a value?
The main function is C always return an integer value and it goes as an exit code to the program which executed it.
What is the difference between a void method and a value returning method?
A void method is one that simply performs a task and then terminates. A value – returning method not only performs a task but also sends a value back to the code that called it.
Can a method return multiple values?
You can return multiple values from a function using either a dictionary, a tuple, or a list. These data types all let you store multiple values.
How to determine the return type of a function?
If the function in question is a method of a user defined class, you can use method decorators in conjuction with Reflect Metadata to determine the return type (constructor function) at runtime (and with it, do as you see fit).
How to return type depending on a parameter?
The second approach we can get to work without resorting to type assertions by just duplicating the last signature:
Is it possible to return type in typescript?
As of TypeScript 2.8 this is officially possible with ReturnType . See this pull request to Microsoft/TypeScript for details. TypeScript is awesome! Ryan’s answer doesn’t work anymore, unfortunately. But I have modified it with a hack which I am unreasonably happy about.