martinomburajr

public static void main(String []args) {
  //your work here!
}

martinomburajr

public class FunMainMethodTrivia {
  //Original Main Method
  //JVM will always call it
  public static void main(String []args) {
    //
  }
  //Valid overload
  //JVM will not call it.
  public static void main(String s1) {
    //You must call this method as a developer

martinomburajr

 /**
 * Retrieved from https://developer.android.com/reference/android/os/Looper.html
 */
 class LooperThread extends Thread {
      public Handler mHandler;
      public void run() {
          Looper.prepare();
          mHandler = new Handler() {
              public void handleMessage(Message msg) {
                  // process incoming messages here

martinomburajr

/**
* Code retrieved from https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/app/ActivityThread.java
* Modifications are indicated in the comments
*/
public static void main(String[] args) {
  //Modification - Removed unrelated initializers. 
  //Android initializes some tracers, event loggers, enviroment initializers, trusted certificates and updates the process' state
        Looper.prepareMainLooper();
        ActivityThread thread = new ActivityThread();
        thread.attach(false);

martinomburajr

    /**
     * AOSP
     * Looper class
     */
    public static void loop() {
        final Looper me = myLooper();
        if (me == null) {
            throw new RuntimeException("No Looper; Looper.prepare() wasn't called on this thread.");
        }
        final MessageQueue queue = me.mQueue;

martinomburajr

void main();
void main(string[] args);
int main();
int main(string[] args);

martinomburajr

import "fmt"

func main() {
 fmt.Println("Hello, World!")
}

martinomburajr

main :: IO()
main =
     putStrLn "Hello, World!"

martinomburajr

int main() {
    write("Hello world!\n");
    return 0;
}

martinomburajr

import sys

def main(argv):
    n = int(argv[1])
    print(n + 1)

if __name__ == '__main__':
    sys.exit(main(sys.argv))