program-entry-point Questions

2

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I've read that global variables have a sensible impact on performance. In order to avoid them I've put everything inside a init function, as I read here. Simple example, integer.jl: function __...
Slayton asked 13/2, 2016 at 22:49

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I know that main() can be overloaded in a class with the compiler always taking the one with String[] args as arguments as the main method from where the execution starts. But is it possible to dec...
Penitentiary asked 14/3, 2012 at 9:36

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I am using jasypt 1.9.2 in Windows 7 x64 cmd. Here's encrypt.bat content: ECHO ON set SCRIPT_NAME=encrypt.bat set EXECUTABLE_CLASS=org.jasypt.intf.cli.JasyptPBEStringEncryptionCLI set EXEC_CLASS...
Isherwood asked 20/11, 2015 at 12:32

4

As far as I know, a C++ compiler looks for a function called main() in order to know where the program should start. But when I use the Leetcode site, the expected solution's code has no main funct...
Andromede asked 19/6 at 14:5

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I keep getting this question asked in interviews: Write a program without using main() function. One of my friends showed me some code using macros, but I could not understand it. So the question i...
Sodamide asked 13/8, 2011 at 14:11

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I am not sure what this means, whenever before you write a code, people say this public static void main(String[] args) { What does that mean?
Futurity asked 26/3, 2015 at 11:9

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When you create a new application with the latest .NET Framework, Program.cs looks as follows: var builder = WebApplication.CreateBuilder(args); // Add services to the container. builder.Ser...
Wavy asked 27/4, 2022 at 2:26

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How to change the entry point of a C program compiled with gcc ? Just like in the following code #include<stdio.h> int entry() //entry is the entry point instead of main { return 0; }
Careen asked 21/9, 2011 at 3:26

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Right, I have looked at this post: Difference between WinMain,main and DllMain in C++ I now know that WINMAIN is used for window applications and main() for consoles. But reading the post doesn't ...
Crossquestion asked 14/12, 2012 at 1:58

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Discussion I know that main can be a friend of a class: #include <iostream> class foo { friend int main(); int i = 4; }; int main() { foo obj; std::cout << obj.i << std::e...
Publias asked 31/7, 2014 at 22:33

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I have two classes. When the I put class TapeDeckTestDrive first on the text editor, it runs fine. When I put the TestDrive class first, it gives the error that it can't find the main class. Why is...
Cambrel asked 22/4, 2019 at 13:6

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My request seems unorthodox, but I would like to quickly package an old repository, consisting mostly of python executable scripts. The problem is that those scripts were not designed as modules, ...
Binkley asked 4/1, 2020 at 15:8

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I want to run my main method via gradle task This is how I run via the cmd: java -cp RTMonitor.jar com.bla.MainRunner first_arg how should it be written in gradle? run { args += ['java -cp RTM...
Bemuse asked 19/2, 2015 at 15:20

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I have installed an application and when I try to run it (it's an executable jar) nothing happens. When I run it from the command line with: java -jar "app.jar" I get the following mess...
Armenian asked 13/3, 2012 at 18:20

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What is causing this error? I google'd it and first few solutions I found were that something was wrong with the library and the main function but both seem to be fine in my problem, I even retyped...
Felipafelipe asked 14/9, 2011 at 2:58

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A common problem that new Java developers experience is that their programs fail to run with the error message: Could not find or load main class ... What does this mean, what causes it, and how s...
Vernverna asked 7/8, 2013 at 3:2

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I am a beginner when it comes to programming but I was sure that one of the universal rules was that a program starts with Main(). I do not see one when I create a WPF project. Is Main() simply nam...
Wellfound asked 22/4, 2010 at 21:32

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package com.valami; public class Ferrari { private int v = 0; private void alam() { System.out.println("alam"); } public Ferrari() { System.out.println(v); } public static void m...
Hyps asked 16/1, 2011 at 19:21

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I am trying to get familiar with Kotlin to use in my android apps. So first I want to try out some simple kotlin examples, just to get familiar with syntax of kotlin. I made a class named Main.kt ...
Monosepalous asked 29/6, 2017 at 10:48

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package code.now; class Test { public void fun() { System.out.println("Coding Ninjas"); } } class Derived extends Test { public void fun() { System.out.println("Codin...
Parton asked 31/5, 2023 at 15:18

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What does this do, and why should one include the if statement? if __name__ == "__main__": print("Hello, World!") If you are trying to close a question where someone should b...
Taskmaster asked 7/1, 2009 at 4:11

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I want to pass, both, named and unnamed arguments to the main method. Currently I am passing arguments as: java -jar myfile.jar param1 param2 and handling them as: public static void main(String[...
Roubaix asked 22/7, 2014 at 15:47

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How would you run a command and pass some custom arguments with Flutter/Dart so they can then be accessed in the main() call such as: flutter run -device [my custom arg] So then I can access it ...
Puri asked 5/3, 2019 at 13:45

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I can't figure what's my wrong with my code below. When I try to compile I get the message: does not contain a static 'main' method suitable for an entry point. This is my code: using System...
Disloyalty asked 13/6, 2013 at 19:14

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I have a setup.py like this: #!/usr/bin/env python from setuptools import setup, find_packages setup( name="myproject", package_dir={"": "src"}, packages=find_pac...
Olivaolivaceous asked 11/2, 2023 at 11:17

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