Think of it like passing functions in math. The GCDFunction() has to receive the numbers into the function so we do public static void GCDFunction(int num1, int num2) That also lets Java know the type it is, type int. And your java variables are scoped inside of the functions so you have to print the … Read more
In your main function you are printing what the function returns, after you call it: ret = n.FindMax(a, b); //calls function with params a and b Console.WriteLine(“Max value is : {0}”, ret ); //prints out the value returned by FindMax So, to make your function print out the result, just print out the result inside … Read more
The difference is that functionOne is a function expression and so only defined when that line is reached, whereas functionTwo is a function declaration and is defined as soon as its surrounding function or script is executed (due to hoisting). For example, a function expression: // TypeError: functionOne is not a function functionOne(); var functionOne … Read more
Suppose you have to create a program that prints a sum. You can create a file Sum.java with the Sum class inside it. Like this: public class Sum { public int x; public int y; public Sum(int x, int y) { this.x = x; this.y = y; } public int sumMyNumbers() { return x + … Read more
You can use a private instance variable counter, that you can increment on every call to your method: – public class Demo { private int counter = 0; public void counter() { ++counter; } } Update : – According to your edit, you would need a static variable, which is shared among instances. So, once … Read more
I’m not quite sure what you are trying to do with this. But I think this will clear up the things for you. public class Course{ private String course = “CS101”; } public class FinishedCourse extends Course{ public void displayCourse(){ System.out.println(super.course); //compilation error. //You cannot access private variables even if it is in direct parent … Read more
Refactor the code that is repeated into a method that takes an Action<int[]> parameter. Something like this (untested): void Main() { Random rnd = new Random(Guid.NewGuid().GetHashCode()); int[] ArrayRandom = new int[200000]; for (int j = 0; j < ArrayRandom.Length; j++) ArrayRandom[j] = rnd.Next(int.MaxValue); performSort(“Heap Sort”, ArrayRandom, HeapSort); performSort(“Cocktail Sort”, ArrayRandom, HeapSort); performSort(“Selection Sort”, ArrayRandom, HeapSort); … Read more
def get_wistia_media Wistia::Media.get(wistia_key) end Is calling a class method def wistia_key “#{self.key}” end Is defined as an instance method, try def self.wistia_key def wistia_key “vynd6tg1hh” end Just returns a string that will always be the same. 2 solved What’s the difference between “#{self.key}” and “vynd6tg1hh”? [closed]
The sample you provided have some mistakes. addValues method in your code is not accepting any parameters but your code is trying to pass 2 parameters. I have re wrote your code. Please see below code snippet meets your requirement private int addValues(int var1, int var2) { return var1 + var2; } private void plus_Click(object … Read more
Because push returns the size of the array: The push() method adds new items to the end of an array, and returns the new length. It does execute the push function, it’s just not returning what you were expecting. JavaScript was written in only 10 days so we are stuck with some design decisions. It’s … Read more
Yes, you are correct. By calling new you are creating a reference to an object, you are doing a similar operation when you declare a new String. 5 solved What is the error in each Java Statement?
Assuming this question is referring to the difficulty of how to refer to methods when talking about Java code in a meta context. E.g. You should use the StringBuilder.append() method instead of the ++ operator in this context because… Now, a method we could talk about can be categorised in the following ways: static vs … Read more
The output would be 125 and then 432. The method, “secret”, cubes the number passed into it. 9 solved Considering the following method: [closed]
private void setCommission() { commission = (artists * 40); } solved How do I create a method to calculate a commission fee in Java
Your return type is void, not string. Change it to: private string SQLSelection() A void is a “returnless” action that is performed upon something and does not “return” back the values of the return statement. If you try to return a value, you get a compiler error as you are experiencing. In addition, you keep … Read more