[Solved] How to call functions from parent class in C++? [duplicate]

Calling functions from parent class directly is easy as the following: std::stringstream myobj; myobj << “Something…” myobj.std::iostream::flush(); Above example calls flush() directly from std::iostream (which is a typedef of std::basic_iostream<char> ). It is also possible to member functions from parent class of parent class: myobj.std::ostream::flush(); solved How to call functions from parent class in C++? … Read more

[Solved] Why the method in some class I created, ask me for input “self”? [closed]

You have to create an object of your class: class MyClass: def __init__(self,a=1,b=2): self.a=a self.b=b def function1(self): self.c=self.a/self.b + 5 return(self.c) print(MyClass().function1()) MyClass() creates an object that can be used to access attributes in the class. For a general instance: m = MyClass() print(m.function1()) 6 solved Why the method in some class I created, ask … Read more

[Solved] How does a linked list with Node class work in C++?

A nice tutorial is at: http://www.zentut.com/c-tutorial/c-linked-list/ From a programming perspective, normally your LinkedList class would have some methods to do the things you asked about, for example: Add – create a new entry at the end of the linked list InsertAfter(Node *n) – create a new entry after indicated node in the listed list Remove(Node … Read more

[Solved] C# Dictionary is empty after calling new function

Your code seams ok but you have to protect your dictionary from external access. I think the root cause of your problem is this. Change your code private readonly Dictionary<string, double> dict = new Dictionary<string, double>(); Also modify the getValue() method like this: public override Object getValue() { return dict.ToDictionary(m => m.Key, m => m.Value); … Read more

[Solved] Java adding methods

The program you wrote have some bugs. You are not assigning choice variable with the return value from readChoice() method. choice = readChoice(); instead of readChoice(); Also change checkChoice() method as follows to make sure it shows message for all invalid choices like 0 public static int checkChoice(int choice) { Scanner sc = new Scanner(System.in); … Read more

[Solved] Creating object using user input to store in Java array

Create a class student with variables for each of the fields: public class Student { public String strFirstName; public String strLastName; public String strMajor; public int intGPA; public int intUIN; public String strNetID; public String strAge; public String strGender; public static void Student(String strFirstName, String strLastName, String strMajor, int intGPA, int intUIN, String strNetID, String … Read more