For starters, you are trying to cast between an Object, String, and a primitive, int. This simply will not work. Objects cannot be cast to primitives, and vice-versa. A String, comprises of an array of char‘s wrapped into an Object. An int, comprises of a single signed decimal number. When you attempt to run a … Read more
an update, I had a bug where it was reading from both a global variable and the passed variable, it works where either you pass or use a global variable, just not both, hence why I got undefined errors. the following is just a solution using the global variable, but I currently simply deleted the … Read more
The bit you seem to be missing is that when the user enters for example “Monday”, you need to convert this string into something that Java can understand as a day of week. This is done through parsing. Fortunately using java.time, the modern Java date and time API, it is not so hard (when you … Read more
You contradict yourself in the question by stating you need to use constants yet ask how to use variables – they’re diametrically opposed as far as the ideas go. One is constant the other is variable. Currently you use literals to construct your inputs, so you can swap them out easily enough. If you want … Read more
In Swift each function parameter can have both argument label and a parameter name. argument label: used in function call parameter name: used inside the function definition By default, parameters use their parameter name as their argument label. These are the possible function declarations that can be used in swift: Case 1: parameter name is … Read more
The class in OOP is something which describes an object. Take a real world object for example, a car. The car can have functions like accelerate_to_speed(double speed); and some members like Color color;. The methods are something the object does and the members describe the object or show possession (the car can have an engine … Read more
That is a unique feature of web page access and can’t be used with regular sockets. It can be used with servlets, though, because they are basically web pages. Edit: Now that the question has been revised, I can now answer the underlying question much better than the original question. It is not a good … Read more
You could also usefully do with some error handling on the text box conversions – it is never a good plan to take a text box and expect the user to simply enter valid data: private void buttonSearch_Click(object sender, EventArgs e) { bool process = true; String prodName = textBoxName.Text; int prodID; double prodPrice; try … Read more
identifier parameter is a string you need to compare to. For example: NSString* yourString = @”Hello”; BOOL match = [yourString isEqualToString: @”aString”]; //currently returns NO //handle match value according to your needs, e.g with if-else syntax. if (match) { //YES flow } else { //NO flow } where @”aString” is a method parameter, named as … Read more
Variable a was not initialized. It has an indeterminate value. 1 solved What are potential issues with the following code? short foo() { short a,b,c; b=10; c = a + b; return c; } [closed]
Yes, it matters. The arguments must be given in the order the function expects them. C passes arguments by value. It has no way of associating a value with an argument other than by position. The names you use in the arguments passed to the function are irrelevant. C does not examine the argument names … Read more