I want to return two objects from a Java method and was wondering what could be a good way of doing so? The possible ways I can think of are: return a HashMap (since the two Objects are related) or return an ArrayList of Object objects. To be more precise, the two objects I want … Read more
I know the title sounds familiar as there are many similar questions, but I’m asking for a different aspect of the problem (I know the difference between having things on the stack and putting them on the heap). In Java I can always return references to “local” objects public Thing calculateThing() { Thing thing = … Read more
I would like to return two values from a function in two separate variables. For example: def select_choice(): loop = 1 row = 0 while loop == 1: print(”’Choose from the following options?: 1. Row 1 2. Row 2 3. Row 3”’) row = int(input(“Which row would you like to move the card from?: “)) … Read more
Should I use exit() or just return statements in main()? Personally I favor the return statements because I feel it’s like reading any other function and the flow control when I’m reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better … Read more
Let’s assume an iteration in which we call a function without a return value. The way I think my program should behave is explained in this pseudocode: for element in some_list: foo(element) def foo(element): do something if check is true: do more (because check was succesful) else: return None do much much more… If I … Read more
Suppose I have a loop like this: for (var i = 0; i < SomeArrayOfObject.length; i++) { if (SomeArray[i].SomeValue === SomeCondition) { var SomeVar = SomeArray[i].SomeProperty; return SomeVar; } } Quick question: does the return stop the execution of the loop in and of itself? 7 Answers 7
Question 1: Why does the following code compile without having a return statement? public int a() { while(true); } Notice: If I add return after the while then I get an Unreachable Code Error. Question 2: On the other hand, why does the following code compile, public int a() { while(0 == 0); } even … Read more
I’ve been able to verify that the findUniqueWords does result in a sorted list. However, it does not return the list. Why? def findUniqueWords(theList): newList = [] words = [] # Read a line at a time for item in theList: # Remove any punctuation from the line cleaned = cleanUp(item) # Split the line … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 5 months ago. The community reviewed whether to reopen this question 5 months ago and left it closed: Opinion-based Update the question … Read more
I have an array int arr[5] that is passed to a function fillarr(int arr[]): int fillarr(int arr[]) { for(…); return arr; } How can I return that array? How will I use it, say I returned a pointer how am I going to access it? 19 Answers 19