Method Overload Exercise

I got this exercise on my exam but I can't figure out 1 solution. So I was given this: public class X { public int f(A a, int n) { n = n + 1; return 1; } public int h(B b, int n) { try { n = n + 3; return f(b,n); } catch(Exception e) { return n * 4;

Overload based on existence of dependent type

I have two templated functions with the same name (foo). Their signatures differ only in the type of the second parameter, which is dependent on the template parameter T. What has surprised me is that I can use this to overload depending on whether T

Why are these two methods not ambiguous?

This is the signature for the Ok() method in ApiController: protected internal virtual OkResult Ok(); And this is my method from my RestController class (which extends from ApiController): // Note that I'm not overriding base method protected IHttpAc

Overload abstract methods in the abstract class

I want to have an abstract class that has an abstract method, say abstract void compare(). But the parameters it takes should vary according to different implementations in different subclasses. I wonder what is the right way to do this? I cannot ove

Constructor Method overload Java

Very simple Rational class I'm trying to create. If, in the main methods, one calls Rational(2) then num = 2 and den = 1 If one calls Rational(2, 4) then num = 2 and den = 4 Here is my code: public class Rational { public long num; public long den; R

Overload of% in% operator in R

I've problems in overloading the %in% operator in R. After overloading the == operator too because my "Type" class is not a basic value in R and %in%: setMethod("==", signature(e1 = "Type", e2 = "ANY"), function (e1

Overloading with optional parameters causes infinite recursion

object Color { def apply(r: Int, g: Int, b: Int, a: Int = 255): Color = new Color(r, g, b, a) def apply(r: Float, g: Float, b: Float): Color = Color((r * 255).toInt, (g * 255).toInt, (b * 255).toInt) } It seems to me that the second apply should exec

Scala overloaded higher order functions cause a type error

I have a overloaded method defined as follows: def g(f: () ⇒ Double): Object = null def g(f: Double ⇒ Double): Object = null def g(f: (Double, Double) ⇒ Double): Object = null def h(f: (Double, Double) ⇒ Double): Object = null While h(math.max _) wor

Generic Java and method signature

Im trying to create overloading methods in java: private BasesResponse getResponse(List<ClassA> classA) { ... } private BasesResponse getResponse(List<ClassB> classB) { ... } But eclipse is complaining about: Method getResponse(List<ClassA&

Duplicate method when the method is overloaded

Following code gives compilation error with error "Duplicate Method" static int test(int i){ return 1; } static String test(int i){ return "abc"; } This is expected as both the overloaded method have same signature and differ only in r

Ambiguous match found when accessing dll

I am trying load a function in a dll. The dll is loaded but just at the place of invoking the function, I am getting an exception Ambiguous match found Here is the code snippet. Assembly dll = Assembly.LoadFrom(DLLPATH); if (dll != null) { Type Tp =

Scala - DSL: ambiguity of overloaded prefix function

In my DSL I want this functionality: class Test { val compA = dependant(true, true)(Component("parameters")) //and this shortcut: val compB = dependant Component("parameters") } where: def dependant(onEnable: Boolean, onDisable: Boolea

Overload method calls with null parameter

Possible Duplicate: Method Overloading for NULL parameter In the code below the output is String and if I remove the method with the parameter of type String then the output is Object I know how overloading of methods acts when the parameter types do

How to use method overload in Python?

I am trying to implement method overloading in Python: class A: def stackoverflow(self): print 'first method' def stackoverflow(self, i): print 'second method', i ob=A() ob.stackoverflow(2) but the output is second method 2; similarly: class A: def s

C # Overflow method

private void btnMiles_Click(object sender, EventArgs e) { try { int milesless200 = int.Parse(txtMiles.Text); int milesmore200 = int.Parse(txtMiles200.Text); MilesCal workingoutmilescost = new MilesCal(); if (milesless200 > 200) { lblMilesMorethan200.

Redefining the wait method in a Java interface

I would like to use wait(int) as the signature of a method in a fluent API (used for The goal is to be able to construct SQL queries like this example: SELECT * FROM T_AUTHOR WHERE ROWNUM <= 1 FOR UPDATE OF FIRST_NAME, LAST_NAME

Java method call overload logic

For the following code why does it print A, B? I would expect it to print B, B. Also, does the method call performed by the JVM is evaluated dynamically or statically? public class Main { class A { } class B extends A { } public void call(A a) { Syst

method with the same name and different settings in Ruby

I have this code: def setVelocity (x, y, yaw) setVelocity (,y,yaw)) end def setVelocity (vel) ...... end vel is a Command2D class that has 3 attributes, is Comparable and defines + , basically is a convenient class for me to manage tho